00369nam a2200145Ia 4500008004100000020000700041040003000048082001300078100001500091245004900106260002900155300001100184650001200195700001600207190302s9999||||xx |||||||||||||| ||und||  c80  aKharagpur College Library  a574bVER  aP.S. Verma  aEnvironmental BiologybPrinciples of Ecology  bS chandaNew Delhic1998  a591 p.  aZoology  aV.K.Agarwal