Summary of data in SCI database
			     regarding Citations of
			       Los Alamos Authors
				  1992 - 1996



In order to produce this report we loaded and analyzed all of the Science
Citation Index database for the period 1992-1996. In total we processed
over 4.0 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
authors, also broken down by citation type being Article or Review:

                                        Article      Review

		1992  -  1338             1092         20
		1993  -  1345             1056         20
		1994  -  1391             1107         27
		1995  -  1514             1201         38
		1996  -  1456             1244         25

		Total -  7044             5624        125



The total number of citations that these publications have received since
they were published is:  36,386


This number can be broken down as follows:


 Y               
 E    1996                                                       741
 A
 R
      1995                                          1002        3286
 O
 F
      1994                                698       2843        3262
 A
 R
 T    1993                     689       2766       3787        3219
 I
 C
 L    1992         838        3035       3481       3626        3113
 E

                  1992        1993       1994       1995        1996

                             YEAR ARTICLE HAS BEEN CITED



Of the 7044 publications with at least one Los Alamos author, 4392 were
cited at least once.

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


		Over 200 citings:	 4
              100 to 199 citings:       10
	       50 to  99 citings:       61
	       30 to  49 citings:      114
	       20 to  29 citings:      194
	       10 to  19 citings:      660
                5 to   9 citings:      921
		1 to   4 citings:     2428


The 10 most cited Los Alamos papers are the following:

                676   LEACH FS#1993#C75#1215
                602   HO DD#1995#N373#123
                359   SHEN ZX#1993#P70#1553
                257   WILLIAMS JM#1992#A204#
                185   KANG C#1992#N356#126
                165   THEILER J#1992#P58#77
                157   REHR JJ#1992#P69#3397
                155   WOLINSKY SM#1992#S255#1134
                150   TACKLEY PJ#1993#N361#699
                143   MONTHOUX P#1992#P46#14803


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

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


Los Alamos publications have appeared in the following number of journals
in the period 1992-1996:

		1992  -  323
		1993  -  337
		1994  -  351
		1995  -  385
		1996  -  376
	     Overall  -  845


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
    54  NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION
    53  PHYSICAL REVIEW LETTERS
    45  PHYSICA B
    45  JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
    33  PHYSICAL REVIEW C-NUCLEAR PHYSICS
    26  JOURNAL OF APPLIED PHYSICS
    25  PHYSICAL REVIEW E
    24  PHYSICA C


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

    87  PHYSICAL REVIEW B-CONDENSED MATTER
    76  ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
    60  PHYSICAL REVIEW LETTERS
    42  NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION
    39  JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
    34  PHYSICAL REVIEW C-NUCLEAR PHYSICS
    25  GEOPHYSICAL RESEARCH LETTERS
    23  PHYSICS LETTERS B
    23  PHYSICAL REVIEW E
    22  ASTROPHYSICAL JOURNAL
  
For 1996, 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
    52  PHYSICAL REVIEW LETTERS
    42  JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
    34  PHYSICAL REVIEW C-NUCLEAR PHYSICS
    33  NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION
    29  PHYSICAL REVIEW E
    25  ASTROPHYSICAL JOURNAL
    24  FUSION TECHNOLOGY
    23  PHYSICS LETTERS B

Cumulative for 1992-1996, the top ten journals in which Los Alamos publications
appeared is as follows:

   425  ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
   403  PHYSICAL REVIEW B-CONDENSED MATTER
   271  PHYSICAL REVIEW LETTERS
   247  NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION
   205  PHYSICAL REVIEW C-NUCLEAR PHYSICS
   190  JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
   124  PHYSICS LETTERS B
   113  ASTROPHYSICAL JOURNAL
   103  PHYSICAL REVIEW E
   100  PHYSICA B


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 1992-1996, the number of categories that Los Alamos
publications were assigned to:


                 Categories   Unique

           1992        2033      108
           1993        1977      101
           1994        2078      110
           1995        2315      115
           1996        2169      113

     Cumulative       10572      144


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
   112  PHYSICS, NUCLEAR
   104  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:

   154  PHYSICS, CONDENSED MATTER
   147  PHYSICS
   118  PHYSICS, APPLIED
   110  NUCLEAR SCIENCE & TECHNOLOGY
   101  PHYSICS, NUCLEAR
    98  CHEMISTRY
    92  GEOSCIENCES
    86  ASTRONOMY & ASTROPHYSICS
    75  PHYSICS, PARTICLES & FIELDS
    74  MATERIALS SCIENCE


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

   168  PHYSICS
   151  PHYSICS, CONDENSED MATTER
   126  PHYSICS, APPLIED
   115  NUCLEAR SCIENCE & TECHNOLOGY
   114  ASTRONOMY & ASTROPHYSICS
   106  CHEMISTRY
    90  GEOSCIENCES, INTERDISCIPLINARY
    83  MATERIALS SCIENCE
    72  PHYSICS, NUCLEAR
    70  METEREOLOGY & ATMOSPHERIC SCIENCES
    69  INSTRUMENTS & INSTRUMENTATION


For 1996, the top ten categories into which Los Alamos publications were
classified in is as follows:

   156  PHYSICS, CONDENSED MATTER
   147  PHYSICS
   124  CHEMISTRY
   108  MATERIALS SCIENCE
   102  PHYSICS, APPLIED
    96  NUCLEAR SCIENCE & TECHNOLOGY
    95  ASTRONOMY & ASTROPHYSICS
    80  GEOSCIENCES, INTERDISCIPLINARY
    72  PHYSICS, NUCLEAR
    71  PHYSICS, FLUIDS & PLASMAS


Cumulative for 1992-1996, the top ten categories into which Los Alamos
publications were classified in is as follows:

   801  PHYSICS
   769  PHYSICS, CONDENSED MATTER
   558  NUCLEAR SCIENCE & TECHNOLOGY
   548  CHEMISTRY
   512  PHYSICS, APPLIED
   469  PHYSICS, NUCLEAR
   443  ASTRONOMY & ASTROPHYSICS
   427  MATERIALS SCIENCE
   362  PHYSICS, PARTICLES & FIELDS
   346  INSTRUMENTS & INSTRUMENTATION