000 00354nam a2200133Ia 4500
008 220128s9999 xx 000 0 und d
020 _a 9788188342556
100 _aSingh, J.S., Singh, S.P & Gupta, S.R.
_93468
245 0 _aEcology, Environment and Resource conservation
260 _aAnamaya Pub.
260 _c2008
947 _a3842
969 _h1
999 _c211739
_d211739