TRIVEDI, PRIYA RANJAN INTERNATIONAL ENCYCLOPAEDIA OF ECOLOGY AND ENVIRONMENT NOISE POLLUTION TRIVEDI, PRIYA RANJAN - NEW DELHI : INDIAN INSTITUTE OF ECOLOGY AND ENVIRO 1995 - x,232 ISBN: 81-7456-017-3 Subjects--Topical Terms: ECOLOGY Universal Decimal Class. No.: 574+504(031.038) TRI