000 00283nam a2200109Ia 4500
008 210324s2013 xx 000 0 und d
041 _aeng
082 _a574.5
100 _aSharma, P.D.
_91598518
245 _aEcology and Environment
260 _aMeerut
_bRastogi Publications
_c2013
999 _c1047175
_d1047175