Rayward, Warden Boyd, The Universe of Info …
Rayward, Warden Boyd, The Universe of Information: the Work of Paul Otlet for Documentation and international Organization, FID Publication 520, Moscow, International Federation for Documentation by the All-Union Institute for Scientific and Technical Information (Viniti), 1975. (p. 231)nical Information (Viniti), 1975. (p. 231) +
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