000 00349nam a2200145Ia 4500
008 211026s9999||||xx |||||||||||||| ||und||
035 _a113
082 _a577
100 _aDr.Varma ps
245 0 _aEnvionmental Biology Principles of Ecology
260 _bS.Chand & Co., New Delhi
_c2018
300 _a270
500 _aS/SI/18-19/5436
942 _cBK
999 _c114
_d114