Ranganathan, S.R. Classification and communication - rep. 2006 - New Delhi Ess Ess Publications 1973 - 291p. ; 22 cm - Sarada Ranganathan Endowment for Library Science, Banglore . ISBN: 81-7000-474-8 Subjects--Topical Terms: Communication; Library science Dewey Class. No.: 025.42 / RAN