TY - BOOK AU - Sharma, P D TI - Ecology and Environment T2 - A text book for University students SN - 9788171339655 U1 - 333.75 PY - 2013/// CY - Gangotri PB - Rastogi Publicaions KW - Ecology Environment KW - Terminology KW - Climatic and Topographic KW - Autecology N1 - Includes bibliographies and index. ER -