000 00415nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aP.Michael
245 0 _aEcological Methods for Field and Laboratory Investigation
250 _a2nd Ed
260 _aNew Delhi
260 _bTata McGraw Hill Publishing
260 _c1990
650 _aEcological Methods for Field and Laboratory Investigation
942 _cBK
999 _c15877
_d15877