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Introduction to indexing and abstracting for Technical information systems.

Introduction to indexing and abstracting for Technical information systems. - Bethesda: Dataflow Systems, Inc., 1971 - 64p. - Dfs Report ; 839 .

Dfs report; 839


Indexing abstracting

Traditional indexing Indicative abstracts

D 002.814.4/.815:681.3 / L1