Summary of data in SCI database
			     regarding Citations of
			       Los Alamos Authors
				  1991 - 1995



In order to produce this report we loaded and analyzed all of the Science
Citation Index database for the period 1991-1995. In total we processed
over 3.8 million citations, and over 12GB of raw data.

Here is a summary of the data that we extracted that is relevant to Los Alamos.


Total number of publications (citations) containing one or more Los Alamos
author, also broken down by citation type being Article or Review:

                                        Article      Review

		1991  -  1335             1102         20
		1992  -  1338             1092         20
		1993  -  1347             1058         20
		1994  -  1441             1152         28
		1995  -  1534             1220         37

		Total -  6995             5624        125



The total number of citations that these publications have received since
they were published is:  35,704


This number can be broken down as follows:


 Y               
 E    1995                                                       903
 A
 R
      1994                                           711        2927
 O
 F
      1993                                689       2746        3734
 A
 R
 T    1992                     842       3044       3470        3576
 I
 C
 L    1991         731        2850       3450       3070        2961
 E

                  1991        1992       1993       1994        1995

                             YEAR ARTICLE HAS BEEN CITED



Of the 6995 publications with at least one Los Alamos author, 4350 were
cited at least once.

The distribution of the number of times the Los Alamos publications were
cited is as follows:


		Over 200 citings:	 5
              100 to 199 citings:       15
	       50 to  99 citings:       48
	       30 to  49 citings:      130
	       20 to  29 citings:      176
	       10 to  19 citings:      643
                5 to   9 citings:      984
		1 to   4 citings:     2349


The 10 most cited Los Alamos papers are the following:

                417   LEACH FS#1993#C75#1215
                313   ALLEMAND PM#1991#S253#301
                258   SHEN ZX#1993#P70#1553
                256   REHR JJ#1991#J113#5135
                205   HAWLEY M#1991#S251#1587
                194   TAKIGAWA M#1991#P43#247
                180   HO DD#1995#N373#123
                179   ABAZOV AI#1991#P67#3332
                169   WILLIAMS JM#1992#A204#
                161   DELEON JM#1991#P44#4146

The 2 most cited papers are:

	Mutations of a Muts Homolog in Hereditary Nonpolyposis
          Colorectal-Cancer
	Leach FS, Nicolaides NC, etc
	Cell,  Vol. 75(#6) pp. 1215-1225, 1993

	Organic Molecular Soft Ferromagnetism in a Fullerene-C60
	Allemand PM, Khemani KC, etc.
        Science, Vol. 253(#5017) pp. 301-303, 1991

Of special interest is the paper by Ho, a 1995 paper which has already been
cited 180 times:

	Rapid Turnover of Plasma Virions and CD4 Lymphocytes in HIV-1
	  Infection
	Ho DD, Neumann AU, etc
 	Nature, Vol. 373(#6510) pp. 123-126, 1995



Los Alamos publications have appeared in the following number of journals
in the period 1990-1994:


		1991  -  315
		1992  -  323
		1993  -  339
		1994  -  364
		1995  -  388
	     Overall  -  819


For 1991, the top ten journals in which Los Alamos publications appeared is
as follows:

    71  PHYSICAL REVIEW B-CONDENSED MATTER
    61  PHYSICAL REVIEW LETTERS
    58  NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION
    51  PHYSICAL REVIEW C-NUCLEAR PHYSICS
    50  ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
    47  JOURNAL OF APPLIED PHYSICS
    40  PHYSICAL REVIEW A
    29  ASTROPHYSICAL JOURNAL
    28  SYNTHETIC METALS
    24  PHYSICS OF FLUIDS B-PLASMA PHYSICS


For 1992, the top ten journals in which Los Alamos publications appeared is
as follows:

    77  PHYSICAL REVIEW B-CONDENSED MATTER
    68  NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION
    68  ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
    59  PHYSICAL REVIEW C-NUCLEAR PHYSICS
    45  PHYSICAL REVIEW LETTERS
    34  PHYSICAL REVIEW A
    32  PHYSICS LETTERS B
    27  JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
    21  ASTROPHYSICAL JOURNAL
    21  NUCLEAR PHYSICS A


For 1993, the top ten journals in which Los Alamos publications appeared is
as follows:

    99  ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
    83  PHYSICAL REVIEW B-CONDENSED MATTER
    61  PHYSICAL REVIEW LETTERS
    50  NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION
    45  PHYSICAL REVIEW C-NUCLEAR PHYSICS
    37  JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
    27  PHYSICS LETTERS B
    26  PHYSICAL REVIEW E
    24  SYNTHETIC METALS
    24  ASTROPHYSICAL JOURNAL


For 1994, the top ten journals in which Los Alamos publications appeared is
as follows:

    83  ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
    73  PHYSICAL REVIEW B-CONDENSED MATTER
    56  PHYSICAL REVIEW LETTERS
    54  NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION
    46  PHYSICA B
    46  JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
    36  PHYSICAL REVIEW C-NUCLEAR PHYSICS
    27  JOURNAL OF APPLIED PHYSICS
    25  PHYSICAL REVIEW E
    25  ASTROPHYSICAL JOURNAL


For 1995, the top ten journals in which Los Alamos publications appeared is
as follows:

    90  PHYSICAL REVIEW B-CONDENSED MATTER
    76  ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
    62  PHYSICAL REVIEW LETTERS
    42  NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION
    41  JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
    34  PHYSICAL REVIEW C-NUCLEAR PHYSICS
    25  PHYSICAL REVIEW E
    25  GEOPHYSICAL RESEARCH LETTERS
    23  PHYSICS LETTERS B
    23  ASTROPHYSICAL JOURNAL
  

Cumulative for 1991-1995, the top ten journals in which Los Alamos publications
appeared is as follows:


   394  PHYSICAL REVIEW B-CONDENSED MATTER
   376  ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
   285  PHYSICAL REVIEW LETTERS
   272  NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION
   225  PHYSICAL REVIEW C-NUCLEAR PHYSICS
   175  JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
   124  JOURNAL OF APPLIED PHYSICS
   122  ASTROPHYSICAL JOURNAL
   118  PHYSICS LETTERS B
   112  PHYSICAL REVIEW A



ISI categorizes the journals that citations appear in into approximately 192
categories. Each journal can be assigned multiple categories. The following
table shows for the years 1991-1995, the number of categories that Los Alamos
publications were assigned to:


                 Categories   Unique

           1991        1952       98
           1992        2033      108
           1993        1981       99
           1994        2146      109
           1995        2284      117

     Cumulative       10396      144


For 1991, the top ten categories into which Los Alamos publications were
classified in is as follows:

    178  PHYSICS
    144  PHYSICS, APPLIED
    140  PHYSICS, CONDENSED MATTER
    112  NUCLEAR SCIENCE & TECHNOLOGY
    104  PHYSICS, NUCLEAR
     76  INSTRUMENTS & INSTRUMENTATION
     73  CHEMISTRY
     69  GEOSCIENCES
     68  PHYSICS, PARTICLES & FIELDS
     65  ASTRONOMY & ASTROPHYSICS


For 1992, the top ten categories into which Los Alamos publications were
classified in is as follows:

    177  PHYSICS
    141  PHYSICS, CONDENSED MATTER
    134  NUCLEAR SCIENCE & TECHNOLOGY
    112  PHYSICS, NUCLEAR
    106  MATERIALS SCIENCE
     98  PHYSICS, PARTICLES & FIELDS
     90  PHYSICS, APPLIED
     90  CHEMISTRY
     89  INSTRUMENTS & INSTRUMENTATION
     69  SPECTROSCOPY


For 1993, the top ten categories into which Los Alamos publications were
classified in is as follows:

   167  PHYSICS, CONDENSED MATTER
   162  PHYSICS
   130  CHEMISTRY
   111  PHYSICS, NUCLEAR
   105  GEOSCIENCES
   103  NUCLEAR SCIENCE & TECHNOLOGY
    86  ASTRONOMY & ASTROPHYSICS
    76  PHYSICS, APPLIED
    75  PHYSICS, PARTICLES & FIELDS
    64  INSTRUMENTS & INSTRUMENTATION


For 1994, the top ten categories into which Los Alamos publications were
classified in is as follows:

   155  PHYSICS, CONDENSED MATTER
   154  PHYSICS
   124  PHYSICS, APPLIED
   110  NUCLEAR SCIENCE & TECHNOLOGY
   104  PHYSICS, NUCLEAR
   104  GEOSCIENCES
    99  CHEMISTRY
    91  ASTRONOMY & ASTROPHYSICS
    79  MATERIALS SCIENCE
    76  PHYSICS, PARTICLES & FIELDS



For 1995, the top ten categories into which Los Alamos publications were
classified in is as follows:

   171  PHYSICS
   139  PHYSICS, CONDENSED MATTER
   129  PHYSICS, APPLIED
   116  ASTRONOMY & ASTROPHYSICS
   113  NUCLEAR SCIENCE & TECHNOLOGY
   111  GEOSCIENCES
   102  CHEMISTRY
    74  METEREOLOGY & ATMOSPHERIC SCIENCES
    72  PHYSICS, NUCLEAR
    69  PHYSICS, FLUIDS & PLASMAS



Cumulative for 1990-1994, the top ten categories into which Los Alamos
publications were classified in is as follows:

   842  PHYSICS
   742  PHYSICS, CONDENSED MATTER
   572  NUCLEAR SCIENCE & TECHNOLOGY
   563  PHYSICS, APPLIED
   504  PHYSICS, NUCLEAR
   494  CHEMISTRY
   455  GEOSCIENCES
   420  ASTRONOMY & ASTROPHYSICS
   376  PHYSICS, PARTICLES & FIELDS
   372  MATERIALS SCIENCE