000 00343nam a2200145Ia 4500
020 _a0706951352
082 _bT-1418
_a570
100 _a"Kumar, H.D."
245 0 _aModern concepts of Ecology
260 _b,Vikas publishing
_aindia
_c1990
300 _a386
944 _cTB
999 _c673184
_d673184