000 00559nam a2200205Ia 4500
999 _c103736
_d103736
003 OSt
005 20200819094854.0
008 190516s9999 xx 000 0 und d
020 _a9788121924764
028 _bS.Chand and Company Limited
040 _cSJCLIB
100 _aSingh, H. R.
_941406
245 0 _aEnvironmental Biology
260 _bS. Chand & Company Pvt. Ltd.
_c2005
_aNew Delhi
300 _a236
600 _tEnvironmental Science
_9114174
650 _aEnvironmental Science
_9114174
942 _cBK
_2ddc