Information and society : essays in the memory of prof. P. Gangadhara Rao / T. Ashok Babu, B. Ramesh Babu Ramaiah , L. S. B. Ramesh Babu Information Science. Library Science. 020 INF Includes index. New Delhi : Ess Ess, 1997. 1997. 1997 Text [32], 409 p. : ill. ; 22 cm. eng