000 00399nam a2200145Ia 4500
008 170101s2011 xx 000 0 und d
082 _a363.7 P22T
100 _aPatnaik, Prabhat
245 0 _aTextbook of environmental science
260 _aNew Delhi
_bWisdom Press
_c2011
300 _a22cm. ; 339
650 _aENVIRONMENTAL PROTECTION
653 _aENVIRONMENTAL PROTECTION
942 _2ddc
_cB
999 _c147682
_d147682