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Flow of chemical information in computer searching of Chemical Abstracts.

Flow of Chemical Information

Research Results
Authors
*******
*******
*******
Arrow from Research Results to Primary Sources
Primary Sources
Journal
Patent
Book
Dissertation
Conference Proceeding
Report

Arrow from Primary Sources to Database Producer
Database Producer
e.g. CAS
Subject Index
Author Index
Abstract
Bibliographic Info.
Arrow from Database Producer to Online Services Arrow from Database Producer to CD-ROM Vendor Arrow from Database Producer to Printed Index
Online Services
e.g. STN
CD-ROM
Vendor
Printed Index
Arrow from Telecommunications Network to Online Services Arrow from CD-ROM Vendor to Reader Arrow from Printed Index to Reader
Telecommunications Network
Arrow from Telecommunications Network to Searcher
Reader
Searcher Arrow from Searcher to Paper Copy
Arrow from Searcher to Disc
Arrow from Paper Copy and Disc to Reader