Ranganathan, S. R. Documentation: genesis and development / by S. R. Ranganathan. - [1st ed.] - New Delhi : Vikas Pub. House , [1973] . - 310 p. illus. 22 cm. - Sarada Ranganathan Endowment for Library Science series, 3 . Subjects--Topical Terms: Documentation. Dewey Class. No.: 010 / RAN N73D