000 00370nam a2200145Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
020 _a81 219 0859 0
041 _aen
082 _a577
100 _aVERMA, P S.
245 0 _aEnvironmental Biology : Principles of Ecology
260 _aNew Delhi.
_bS.Chand & Company Ltd.
_c2000
300 _aviii, 591p
942 _cPR
999 _c53828
_d53828