000 00317nam a2200133Ia 4500
008 240913s9999||||xx |||||||||||||| ||und||
082 _a500 SAN/E
100 _aSC Santra
245 0 _aEnvironmental Science
250 _aNULL
260 _bNew Central Book Agency
_aCalcutta
_c2012
300 _a1244
942 _cBKS
999 _c14375
_d14375