Information Retrieval and Machine Translation. Advances in Documentation and Library Science, volume III, part I.
Interscience Publishers, NY 1960 first edition; 686 pages, some illustrations and photographs; index.
Interscience Publishers, NY 1960 first edition; 686 pages, some illustrations and photographs; index.
Interscience Publishers, NY 1958, first edition; 972 pages, photographs, Index, tables etc.