TY - BOOK AU - Singh, H R, Ed TI - Advances in limnology: Proceedings of the national symposium on advances in limnology and conservation of endangered fish species, 1989 U1 - 577.6 SIN-A PY - 1993/// CY - Narendra Publishing House, New Delhi KW - Aquatic ecology-- Fresh water ecology-- Pond ecology-- Limnology ER -