000 00422nam a2200169Ia 4500
008 230524s9999 xx 000 0 und d
020 _a9788173718113
082 _bDEB
100 _aAloka Debi
_942236
245 0 _aEnvironmental Science and Engineering
250 _a1
260 _aKolkata
_bUniversities Press
_c2012
300 _a248p;
500 _aQuantity Number: 1
650 _aEnvironmental
942 _cBK
999 _c56587
_d56587