HDTenEightyP/NetNews huggingface dataset:
From: rpb@vax.oxford.ac.uk (Ray Bellis)
Newsgroups: comp.infosystems.gopher,alt.gopher
Subject: PC-NFS compatible client required.
Keywords: pc-nfs gopher packet-driver
Date: 6 Oct 92 12:55:01 GMT
Reply-To: rpb@psy.ox.ac.uk
Organization: Oxford University VAX 6620

Is anyone working on a PC Gopher client which will co-reside with
PC-NFS?  We hope to use Gopher as a departmental bulletin board
system, but all of our PCs are running PC-NFS, which won't work
along side a packet driven application.

Thanks for any info,

Ray.
 
------------------------------------------------------------------------------
R. P. Bellis				E-Mail:	<rpb@psy.ox.ac.uk>
Dept. of Experimental Psychology	Whois:	(RB83)
University of Oxford			Tel:	+44 865 271419
South Parks Road			Fax:	+44 865 310447
Oxford OX1 3UD
------------------------------------------------------------------------------
From: gucme@gdunix.gd.chalmers.se (Matz Engstrom)
Newsgroups: comp.infosystems.gopher
Subject: Re: Renaming Unix-servers gopher directories
Date: 1 Oct 92 10:00:51 GMT
Distribution: comp
Organization: Gothenburg Universities' Computing Centre

zlsiimw@mcchpc.mcc.ac.uk (Mark Whidby) writes:


>Is this really such a problem? The .cache files should be getting regenerated
>when they're older than 10 minutes. I make a practice of deleting the .cache
>file anyway if I change something in a directory so that I can immediately
>check whether I've done it correctly or not. 

Maybe there is a problem with gopherd on Ultrix ? The .cache files were at
least one day old.
Sincerely / Matz
-- 
H{lsningar (Sincerely) /
          Matz Engstrom, Gothenburg Universities' Computing Centre;
          Address Box 19070; Kapellg}ngen 5; S-400 12 Gothenburg; Sweden
          Phone +46 31 818 338; Fax +46 31 185 006;
From: cfkfb@uxa.ecn.bgu.edu (Karl Bridges)
Newsgroups: comp.infosystems.gopher
Subject: useguide.doc location ???/setup information
Summary: Need useguide.doc for gopher or other documentation
Date: 30 Sep 92 19:59:58 GMT
Organization: Educational Computing Network


  We're setting up a gopher server.  Our autoexec.net file makes
reference to a useguide.doc but we can't seem to locate it.  Can anyone
send us this or explain the following:

In the autoexec.net file we need to set some parameters
attach packet <int#> <label> <buffers> <mtu>
ifconfig pcn ipaddr 128.101.101.250 netmask 0xfffff00 broadcast

Can someone explain what this means? especially "pcn" "mtu" "label"???
Newsgroups: comp.infosystems.gopher
From: hirai@cc.swarthmore.edu (Eiji Hirai)
Subject: Re: TurboGopher: a new, turbocharged Gopher client [LONG]
Organization: Information Services, Swarthmore College, Swarthmore, PA, USA
Date: Tue, 6 Oct 1992 23:09:47 GMT

This looks great.  However, which resource contains the strings that define
the default "Bookmarks" and the "Home Gopher Server".  I'd like to change
them if I can (not through Preferences but in the application itself).

--
hirai@cc.swarthmore.edu (Eiji Hirai)    :     :    :   :  : :: ::: :::: :::::
Unix Geek for Swarthmore College        :     :    :   :  : :: ::: :::: :::::
Information Services, Swarthmore, PA, US.       Copyright 1992 by Eiji Hirai.
I don't speak for Swarthmore College.                    All Rights Reserved.
From: mskuhn@immd4.informatik.uni-erlangen.de (Markus Kuhn)
Newsgroups: comp.infosystems.gopher
Subject: Re: Bug in Gopher+ protocol specs
Date: 3 Oct 92 08:28:24 GMT
Reply-To: mskuhn@immd4.informatik.uni-erlangen.de
Organization: CSD., University of Erlangen, Germany

jbotz@mtholyoke.edu (Jurgen Botz) writes:

>From the Gopher+ protocol draft:

>   The Date line [of the +ADMIN block] must contain the modification
>   date in angle brackets.  The format of the date is <YYYYMMDDhhmmss>
>   where YYY is year, MM is month, DD is day, hh is hours, mm is minutes,
>   and ss is seconds.

>I think this is insufficient, as it ignores the need for specifying the
>time zone.  I would propose the following format...

>   <YYYYMMDDhhmmss[+-]hhmm>

Agreed! But then let's define this in a really professional way:

Just reference the international standard ISO 8601 (Standard Representation
of Dates and Times) which defines an ASCII string VERY close to your's.
There you also have the carefully defined semantic, e.g. is + west
or east of London (in ISO 8601 it's east of London)? Why invent everything
new if there are already accepted and carefully designed standards?

By the way: You should also check ISO 6709 for the representation
of a geographic position (latitude, longitude and perhaps altitude).

You'll get these documents from your national standards body (e.g.
ANSI). The relevant parts of these documents should of course be
summariesed in the Gopher+ spec.

Hope this helped!

Markus

-- 
Markus Kuhn, Computer Science student -=-=- University of Erlangen, Germany
Internet: mskuhn@immd4.informatik.uni-erlangen.de  |  X.500 entry available
-A distributed system is one in which the failure of a computer you didn't-
-even know existed can render your own computer unusable. (Leslie Lamport)-
From: gramsey@atlas.nafb.trw.com
Newsgroups: comp.infosystems
Subject: home-based computer biz?
Date: 27 Sep 92 19:13:39 PST

hi net people

i'm posting this for a friend without net access please e-mail to my 
account and i will forward to him 

					thanx   greg


i'm interested in starting a home-based computer business, just heard about
Gerhard Reeg company.  They are offering a license that allows me to hook into 
their network of buyers and sellers and i have to culivate my own client base.
Has anyone heard of this company?  Any information and/or additional avenues 
of investigation would be appreciated.

					Thanks Kevin
From: MICHAEL.WILLETT@OFFICE.WANG.COM ("Michael Willett")
Newsgroups: comp.infosystems
Subject: RAIDs for LANs, IBM, Workstations, VAXs, etc.?
Date: 5 Oct 92 22:42:55 GMT
Organization: Mail to News Gateway at Wang Labs

Would anyone know what RAID vendors and configurations are typically most
popular now?  -----  Michael.Willett@OFFICE.Wang.com

-------------------------------------------------------------------------

Regarding John Scoggin's request for information on RAID systems for
VINES, Storage Computer of Nashua, N.H. is currently showing its new high
performance RAID 7 disk array platforms at the September Banyan Users
Meeting.  They work equally well with NetWare, IBM systems, workstations,
the VAX, etc.

Standards-based, RAID 7 is designed for enterprise-wide computing and
overcomes performance limitations of earlier RAID architectures, providing
a  "real world sustained application performance improvement of 200% to
400%" and dropping the cost of storage to 16 cents/MB.  Their brochures
say they can "mix and match" up to 48 SCSI commodity (3.5 or 5.25 inch)
drives, up to 150 GB.  The RAID 7 disk array platforms come with an embedded
operating system and up to 12 SCSI-2 based host interfaces.  Besides servers,
Storage Computer's RAID 7 disk array platforms can connect to workstations
and midrange systems in addition to IBM's.  Multiple CPUs can be attached to
same disk array platform.

The RAID 7 platforms come with up to 256 MB of cache, eliminating any
reason for using performance-damaging CPU main memory disk RAM.

The drives are "hot plugable" for uninterrupted, transparent operation,
with a hot standby drive automatically replacing a failed drive.

There was a lot of activity yesterday at the Storage Computer RAID 7 booth
at the Banyan show as I walked by.  They were demoing what happens if a
drive goes down, showing the backup drive taking over.

For further information on Storage Computer's RAID 7 for the VAX, their
key contact is indicated to be John O'Brien, Director of Technical Services,
at Tel. 603-880-3005 or FAX 603-889-7232.

Michael.Willett@OFFICE.Wang.com
From: CRPDSANT@BRUSPVM.BITNET (Claudio Santos)
Newsgroups: comp.infosystems.gis
Subject: REGION BUILDING
Date: 3 Oct 92 00:20:54 GMT
              <GIS-L@UBVM.BITNET>
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU

COULD SOME ONE HELP ME?
       I need informations about some tittle and autors relating to
       region building models. I'm appling in legislative districting.
       I'have some references but they are old aroud (1967) Weaver and Hess,
       Mills, Kaiser etc.

       Thanks for every thing.
From: kanarick@media.mit.edu (Craig M. Kanarick)
Newsgroups: comp.infosystems.gis
Subject: Intro GIS documents
Date: 30 Sep 92 22:02:35 GMT
Organization: The Visible Language Workshop


I have a friend who wants to enter the "GIS" arena.  I put
quotes around GIS because he doesn't really know what he
wants to do yet.  He is interested in electronic maps, electronic
mapmaking, geographical database, etc.

Could someone please point me to good introductory materials,
periodicals, publications, etc, that would be apropos?

Thanks in advance,

-- cmk
-- 
-----------------------------------------------------------------------------
Craig M. Kanarick			"Do I love you?  Yes I love you.
					 All this talking...talking...	
kanarick@media-lab.media.mit.edu	 is only bravado..."
Newsgroups: comp.infosystems.gis
From: dmarble@magnus.acs.ohio-state.edu (Duane F Marble)
Subject: Re: Public Land Survey System
Organization: The Ohio State University
Date: Sat, 3 Oct 1992 23:38:29 GMT

Long before the days of the DLG, Phillips Petroleum digitized all of
the U.S. Public Land Survey information (mostly from USGS sheets) and
in fact extended "psuedo-Jeffersonian" coordinates to Texas and some
eastern areas. Far from public domain, the last price I heard was on
the order of $250K for the whole file.
-- 
Duane F. Marble			       E-mail: dmarble@magnus.acs.osu.edu
Department of Geography                Telephone: (614) 292-2250
The Ohio State University
Columbus, Ohio 43210                   Fax: (614) 292-6213
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
X-Envelope-to: GIS-L@UBVM.cc.buffalo.edu
X-VMS-To: IN%"GIS-L@UBVM.cc.buffalo.edu"
Newsgroups: comp.infosystems.gis
Date:         Thu, 1 Oct 1992 11:59:00 GMT
              <GIS-L@UBVM.BITNET>
From:         STGG8004@IRUCCVAX.UCC.IE
Subject: Re: cookie cutter

In Message-Id: <9209302053.AA29546@relay1.UU.NET>, Youxuan Jin
(uunet!PLAINS.NODAK.EDU!jin)  asks:

>There is a GIS firm in my region is looking for a GIS package that has
>the specific function they referred as cookie cutter.
>
>It is a spatial query capability. Given a region in the form of the polygon(s)
>of arbitrary shapes(holes are allowed), using it as a key to retrieve all the
>database entities(points, lines or areas) covered by that region. I think
>the difficulty is that the region can be arbitrary shape. Anybody knows if
>ARC/INFO can do the job?  In other words, can I use ARC coverage as a key to
>do the retrieval.

Right from when I was first introduced to GIS concepts, I have always
understood the term "cookie cutter" to refer to the whole general principle
of polygon overlay and boolean data extraction / manipulation / analysis.
As such, I would place it very near the top of any list of "mandatory"
functionality if a package is to be called a GIS (or, if you insist, a vector
GIS since I appreciate that raster systems, while they perform overlays, do
so in a somewhat different way). Indeed, I would submit that for many people,
both within the subject and beyond, "GIS" is essentially a system which
allows maps to be overlaid digitally in the way that McHarg pioneered manually.

I don't wish to be rude, but I cannot help but wonder what credentials a
"GIS firm" could have, if they don't know about something as basic to GIS
as polygon overlay????

I suspect I may get some flak over this... :-)

Cheers,
Darius
From: arlie@hpsad.sad.hp.com (Arlie Haig)
Date: Mon, 5 Oct 1992 20:14:16 GMT
Subject: Where can I get stuff...
Organization: HP Signal Analysis Division - Rohnert Park, CA
Newsgroups: comp.infosystems.gis

Hi, I'm new to this group and to the GIS world, and wish to get up to
speed as quickly as  possible.  So, some questions:

How do I retrieve this "list of FAQ"?
Where can I get a glossary of abbreviations?  Such FATs (Freq. Abbrev. Terms)
  as ERDAS
     GRASS
     NISS
     CHEST   
     HENSA 
     ESRC
     ICL
     IUSC
     VLBD Journal
     etc!!

Also, how would I, being connected to a UNIX network here, with a PC/Modem
at home, access the GIS-L Forum, whatever that is?
And is CPGIS-l a bbs?

I have just called 1-800-USA-MAPS for some general info to be sent me. Hope
they will be able to provide sources for my local region, with format and
medium for info available.

I downloaded OzGIS and have unpacked it, will have questions soon, methinks.
If anyone is familiar with this program, and is using it for such things as
land-area-designations (open space, public land holdings, etc) in a county,
I'd appreciate contact. 

Why are most postings to this group from non-USA areas?  I value that aspect
but it seems unusual to me.
 
Hope to see some response to this post.  Thanks in advance!

Regards,
Arlie Jan Haig [who, in reality, is a pc designer, which, to her dismay, (or
extreme pleasure, depending on the viability of her GIS plans) is a dying
field of employment].


Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
Subject: (no subject given)
Newsgroups: comp.infosystems.gis
Date:         Mon, 5 Oct 1992 14:20:38 CET
              <GIS-L@UBVM.BITNET>
From:         "Andreas P. Kerl" <KERL@FRANVM3.VNET.IBM.COM>

Hi|
this is a test|
Did you receive my message?
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
Newsgroups: comp.infosystems.gis
Date:         Sun, 27 Sep 1992 13:54:58 CST
              <GIS-L@UBVM.BITNET>
From:         GE1164@SIUCVMB.SIU.EDU
Subject:      Message for Youxaun Jin

Hi, Youxaun
    You e-mail address was lost by a mistake so I couldn't respond to you direc
tly. I tried to retrieve your address from the GIS-L subscribers list without s
uccess. So please send you address to me again if you are willing to keep our c
onnection.
    Sorry for this and sorry to bother others.

Qing-Wang Hao
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
X-Envelope-to: GIS-L@UBVM.cc.buffalo.edu
X-VMS-To: IN%"GIS-L@UBVM.cc.buffalo.edu"
Newsgroups: comp.infosystems.gis
Date:         Tue, 29 Sep 1992 15:25:00 GMT
              <GIS-L@UBVM.BITNET>
From:         "Armando H. Scalise" <ARGG6029@IRUCCVAX.UCC.IE>
Subject:      Re: Thanks

Hi Trevor.

So, you are back in hell!#

Let me know about your trip, and how you solved those
"domestic problems" you told me about.  Your experience may
be of of help when I have to face in Argentina :-).

There have been soome problems with my admission in Brazil.  I am trying
to solve that out, but the future seems uncertain.  So, for the
time being, my e-mail address remains the same _I hope not for
too long, though.

Any plans about your masters?

Cheers.

Armando.
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
X-VMS-To: IN%"GIS-L@UBVM.BITNET"
Newsgroups: comp.infosystems.gis
Date:         Tue, 6 Oct 1992 13:08:00 CDT
              <GIS-L@UBVM.BITNET>
From:         Aaron Crane <ACRANE@MACC.WISC.EDU>
Subject:      2nd Annual Illinois GIS Conference

FYI:

Indirect Announcement:

Second Annual "GIS in Illinois"  Conference
October 21-22, 1992

Arlington Heights, IL  (Suburb of Chicago)

Contact:   Dr. Richard E. Dahlberg
           Dept. of Geography
           Northern Illinois University
           DeKalb, IL  60115, USA

           1-815-753-6827
      FAX: 1-815-753-6872


Cost is around $95, lower for students.


- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* acrane@macc.wisc.edu                                            *
* UW-Madison, Environmental Remote Sensing Center                 *
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Newsgroups: comp.infosystems.gis
From: wc3034@itchy.geog.albany.edu (William Carraher)
Subject: GIS in Local Government
Keywords: GIS local government
Organization: Geography and Planning, University at Albany
Distribution: na
Date: Thu, 1 Oct 92 16:56:29 GMT

Two graduate students are currently researching applications and systems
currently employed by local governments.  Any information regarding currently
in-use systems or proposed new directions would be greatly welcome.  All 
responses can be sent e-mail to either the writer, or bthomp@itchy.geog.
albany.edu, or letters sent to 10 farnsworth drive,apt.14, Slingerlands N.Y.
12159. kudos.
.
From: kirby@sscl.uwo.ca
Newsgroups: comp.infosystems.gis
Subject: MAP II 1.5 upgrades
Date: 28 Sep 92 15:52:27 GMT
Organization: Social Science Computing Laboratory

To all MAP II 1.0 users,

MAP II 1.5 is now available from a new company called ThinkSpace Inc. 
ThinkSpace received the rights from John Wiley & Sons to sell MAP II (1.5)
to the non-eduational market.  The company currently has an agreement with
Wiley to handle upgrades to all registered users of 1.0 (Wiley will not be
able to offer the upgrade for several months). 

For more information you can contact them at:

	ThinkSpace Inc.
	316 Cheapside Street
	London, Ontario  N6H 2A6 (Canada)

	voice: (519) 661-4006
	fax:   (519) 661-3750

KCK

==============================================================================
"Come Come Mr. Scott - young minds, fresh ideas - be tolerant" Capt Kirk (ST3)
------------------------------------------------------------------------------
 K. Chris Kirby                         | internet: kirby@uwo.ca
 Department of Geography                | voice:    (519) 661-2111 ext: 4627    
 The University of Western Ontario      | msgs:     (519) 661-3423
 London, Ontario  N6A 5C2               | fax:      (519) 661-3750
==============================================================================
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
Organization: UNIVERSITY OF SOUTH CAROLINA
Newsgroups: comp.infosystems.gis
Date:         Tue, 29 Sep 1992 13:38:58 EDT
              <GIS-L@UBVM.BITNET>
From:         Paulo Duarte <T290184@UNIVSCVM.BITNET>
Subject:      Re: Sabbatical in Brazil
              29 Sep 1992 08:22:22 PDT from <esri!pop!merrill@UUNET.UU.NET>

Dear networker:

Even though I am still working on my masters, I would like to get more
information on this opportunity.  I am a Brazilian currently attending
the University of South Carolina.  I would like to make some contacts
with GIS people in Brazil.  I know for a fact that the University of Sao
Paulo (USP) and the National Institute for Space Research (INPE) have been
doing a lot of work with GIS.  If I can be of any help, do not hesitate to
send me an e-mail.
I am looking forward to hearing from you in the near future.  Thanks for your
time.

Sincerely,
PAULO DUARTE
DEPARTMENT OF GEOGRAPHY
UNIVERSITY OF SOUTH CAROLINA
COLUMBIA, SC  29208
PHONE: (803)777-0503
FAX: (803)777-4972
E-MAIL: T290184@UNIVSCVM
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
Newsgroups: comp.infosystems.gis
Date:         Tue, 29 Sep 1992 13:38:32 PDT
              <GIS-L@UBVM.BITNET>
From:         "(Todd Fitzgibbon)" <tfitz@TAPEATS.WR.USGS.GOV>
Subject: Re: re:ARC 6.1 digitizing aerials (IMAGE INTEGRATOR)

Regarding rectifying aerial photos using digital elevation models,
there appear to be several commercial solutions now available.

ESRI announced in their Spring 1992 ARC News that Hammon, Jensen,
Wallen & Associates, Inc., of Oakland, California, has introduced
a product called Ortho View that creates digital orthophotos that
can be read by ArcView and ARC/INFO's Image Integrator.  The phone
number given for HJW is 415-638-6122 (Note: Oakland's area code is
now 510).

I have also heard that ERDAS now has a module for creating orthophotos,
and that some of the suppliers of stereo plotters now support
rectified output...Sorry for lack of specifics.

Standard disclaimer applies plus I have no first-hand experience
with any of the above.

Todd Fitzgibbon			345 Middlefield Rd. MS-975
Geologist			Menlo Park, CA 94025
U.S. Geological Survey		415-329-4942, FAX 415-329-4936
Western Regional Geology	tfitz@tapeats.wr.usgs.gov
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
Newsgroups: comp.infosystems.gis
Date:         Thu, 1 Oct 1992 14:54:14 +1000
              <GIS-L@UBVM.BITNET>
From:         jhr@GDWB.OZ.AU
Subject: IBM & GIS

Sent this earlier today to list, but I think it got lost..


This appeared on CPGIS-l today.


Any comments from GEOVISION or IBM personnel on the list?





<CPGIS-L@UBVM.cc.buffalo.edu>
From: ESRILIN%UBVMS.BITNET@UBVM.cc.buffalo.edu
Subject:      IBM GIS
X-To:         cpgis-l@ubvm.bitnet
To: Multiple recipients of list CPGIS-L <CPGIS-L@UBVM.cc.buffalo.edu>
Content-Length: 1596
X-Lines: 41
Status: RO

From:   IN%"IJI006@IBM.SOUTHAMPTON.AC.UK"  "Zhilin Li" 30-SEP-1992 05:08:12.03
To:     IN%"esrilin@ubvms.cc.buffalo.edu"
CC:
Subj:   IBM disaster

Return-path: <IJI006@IBM.SOUTHAMPTON.AC.UK>
Subject: IBM disaster
To: esrilin@ubvms.cc.buffalo.edu
Message-id: <30_Sep_92_09:41:32_BST_#1065@UK.AC.SOTON.IBM>
Content-transfer-encoding: 7BIT
Via:        UK.AC.SOTON.IBM; 30 SEP 92 10:07:12 BST

Hi, Lin Hui,

Thank you for your message. I know IBM have GIS Solutions (centers),
however, as you will hear today, IBM has its disaster in GIS.

Today, IBM will anounce that it will cut 40,000 staff across the world
and it will close many GIS centers. For example, in Warwick (UK), there
is one, but will be shut down today. I have been trained to use its
new GIS but IBM has decided to drop it before marketing.

As an alternative, IBM decided to have GeoVision solution. IBM is to
but 20% share of GeoVision. IBM has already 20% share of Tydac. So
IBM will market the products from GeoVision and Tydac.

This perhaps is the biggest news in GIS world and you may post it to
the net if you feel our fellows would like to hear it.

With regards!

Zhilin Li
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
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Newsgroups: comp.infosystems.gis
Date:         Tue, 29 Sep 1992 14:00:40 -0500
              <GIS-L@UBVM.BITNET>
From:         RALENT@AMHERST.BITNET
Subject:      Arc/Info polygons to Idrisi

Just curious--has anyone had experience with exporting Arc/Info polygon
files to an Idrisi-format vector file?  The manuals state that to do
this, you go from Arc/Info to DLG, then import the DLG file using the
DLG module in Idrisi.  Does this actually work?
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
Newsgroups: comp.infosystems.gis
Date:         Mon, 28 Sep 1992 14:23:22 -0700
              <GIS-L@UBVM.BITNET>
From:         "(Mondher)" <mondher@MODEL.SAIC.COM>
Subject:      Directory of Nuclear Plants??

I came across a recent message earlier asking information on nuclear
plants woldwide.

I did not save the message but I think I can provide the source to
contact if I can get a copy of the requested info.; Could anyone
send it. I am not sure what the request was exactly.

Mondher Chehata.
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
X-Mailer: ELM [version 2.3 PL11]
Newsgroups: comp.infosystems.gis
Date:         Wed, 30 Sep 1992 12:19:34 EDT
              <GIS-L@UBVM.BITNET>
From:         Duane F Marble <dmarble@MAGNUS.ACS.OHIO-STATE.EDU>
Subject:      New Hardware

Those with a strong interest in special hardware will want to look at:

Feldman, Yosee and Ehud Shapiro, 1992. "Spatial Machines: A More
   Realistic Approach to Parallel Computation," COMMUNICATIONS OF
   THE ACM, Vol. 35, No. 10, pp. 61 - 73.

--
Duane F. Marble            E-mail: dmarble@magnus.acs.ohio-state.edu
Dept. of Geography
The Ohio State University  Telephone:  (614) 292-2250
Columbus, OH 43220         Fax:  (614) 292-6213