000 00277nam a2200121Ia 4500
008 220104s9999 xx 000 0 und d
041 _aENGLISH
082 _a628
100 _aC.Manoharachary
245 0 _aPrinciples of Environmental Studies
260 _bBSP
942 _cBK
999 _c185593
_d185593