TY - BOOK AU - Das, S.M. . TI - Handbook of Limnology and Water Pollution SN - 81-7003-097-8 U1 - 551.48 PY - 1989/// CY - New Delhi PB - South Asian Publishers KW - Geology KW - Limnology KW - Water Pollution KW - G-Geology N1 - Index ER -