000 00296nam a2200121Ia 4500
008 170101s2005 xx 000 0 und d
082 _a577 SAN
100 _aSantra, S.C
245 0 _aEnvironmental Science
260 _aKolkata
_bNew Central Book
_c2005
300 _aRs.1244
942 _2ddc
_cBK
999 _c192331
_d192331