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           MAPPING BETWEEN RETRIEVAL FIELDS AND STAS ELEMENT NUMBERS
                                       
   _October 10th, 1994_

========================================================================+
   Field Name                    Code      Number    Repeat    Composite
===============================+=========+=========+=========+==========+

Abstract                       | AB      |    62   |   -     |   -     |
Accession Number               | AN      |  2010   |   -     |   -     |
Author Name                    | AU      |  1003   |   -     |   C     |
CAS Registry Number            | RN      |  2048   |   -     |   C     |
CODEN                          | CODEN   |    60   |   -     |   -     |
Corporate Source               | CS      |     2   |   -     |   -     |
Crossover Key                  | CK      |  2473   |   -     |   -     |
Document Type                  | DT(TC)  |  2013   |   -     |   -     |
Graphic Image                  | GI      |  2474   |   -     |   -     |
Int. Patent Classification     | IC      |  2016   |   -     |   C     |
IPC, Index                     | ICI     |  2018   |   -     |   C     |
IPC, Main                      | ICM     |  2019   |   -     |   C     |
IPC, Secondary                 | ICS     |  2020   |   -     |   C     |
ISSN                           | ISSN    |     8   |   -     |   -     |
Index Term                     | IT      |  2046   |   R     |   C     |
Issue                          | ISSUE   |  2485   |   -     |   -     |
Journal Title                  | JT      |  2467   |   -     |   -     |
Language                       | LA      |    54   |   -     |   -     |
National Patent Classification | NCL     |  2024   |   -     |   C     |
Organization Division          | CS.DIV  |  2575   |   -     |   -     |
Organization Name              | CS.ORG  |  2576   |   -     |   -     |
Page Number                    | PGNO    |  2574   |   -     |   -     |
Patent Application Information | AI(AP)  |  2044   |   -     |   C     |
Patent Information             | PI(PN)  |  2043   |   -     |   C     |
Publication Year               | PY      |  2038   |   -     |   -     |
Section Title                  | SCT     |  2501   |   -     |   -     |
Section Cross-references       | SX      |  2039   |   -     |   C     |
Subject                        | SUBJ    |  2500   |   R     |   -     |
Supplementary Term             | ST(KW)  |  2047   |   -     |   C     |
Title                          | TI      |     4   |   -     |   -     |
Volume                         | VL      |  2491   |   -     |   -     |

   
   
   
   
  Repeat/Composite Indicators
  
   R = Repeating Element (multiple instances of the Element may occur
   within a given Answer)
   
   C = Composite Element (Element contains one or more sub-Elements, each
   of which may be a search field).