000 00257nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aTrivedi, P.R.
245 0 _aEcology & Environment
260 _aNew Delhi
_bA.P.H.
_c2013
300 _a202p.
942 _cBK
999 _c15603
_d15603