000 00326nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aSivashanmugam P.
245 0 _aBasic of Environment Science and Engineering
260 _bNIPA
260 _c2007
365 _b312.00
650 _aEnvironmental Science
942 _cBK
999 _c256248
_d256248