000 00270nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
020 _a706986768
100 _aKumar, H D
245 0 _aModern Concepts of Ecology
260 _bVikas Publishing
_aNewdelhi
_c2006
942 _cBK
999 _c5891
_d5891