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Environmental limnology.

By Kulkarni, V S,. New Delhi: Alfa Publications, 2011 . v, 328p.

By Purnima Sethi,. New Delhi: Alfa Publications, 2010 . v, 296p.

By Purnima Sethi,. New Delhi: Alfa Publications, 2011 . v, 295p.

By Purnima Sethi,. New Delhi: Alfa Publications, 2010 . v, 296p.

By Purnima Sethi,. New Delhi: Alfa Publications, 2010 . v, 296p.

By Purnima Sethi,. New Delhi: Alfa Publications, 2011 . v, 295p.

By Purnima Sethi,. New Delhi: Alfa Publications, 2011 . iv, 280p.

By Purnima Sethi,. New Delhi: Alfa Publications, 2011 . v, 328p.