TY - BOOK AU - Kesarwani, S.K. ED - Bhat, S. G. TI - Abstracting, indexing and current awareness services in environmental science U1 - 029.96147 PY - 1978/// CY - Gurgaon PB - Indian Documentation Service KW - Abstracting and indexing services KW - Information storage and retreival systems KW - Current awareness services N1 - including Index ER -