TOOLS FOR MACHINE LITERATURE SEARCHING - semantic code dictionary; equipment; procedures.
Interscience Publishers, NY 1958, first edition; 972 pages, photographs, Index, tables etc.
Interscience Publishers, NY 1958, first edition; 972 pages, photographs, Index, tables etc.
McGraw-Hill Book Co NY 1968, 514 pages, Illustrations, Index, References at ends of sections; Sel. Bibliography in Info Org. & Retrieval.