000 00301nam a2200121Ia 4500
008 221219s9999 xx 000 0 und d
100 _aDeeksha Dave 
245 0 _aTextbook of Environmental Studies
260 _bCengage
650 _aEnvironmental Science
700 _aS.S. Katewa
942 _cBK
_074
999 _c3983
_d3983