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.
American Telephone & Telegraph, July 1950; pp 295-468; illus, photos, references; light blue paper wraps.
Harvard Univ. Press, Cambridge MA, 1951; 278 pages, diagrams, some photographs.
McGraw-Hill NY, 1950; stated first edition; 451 pages, Index, diagrams, References at ends of each Chapter section.
Prepared by Bell Telephone Laboratories, Inc for Western Electric Co, Inc, New York, NY 1951; 792 pages.
MTAC, The National Research Council, Wash., D.C., April 1950, pp 61-126.