000 00292nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Nathanson, J.A."
245 0 _aBasic environmental technology
260 _bPHI Learning Pvt. Ltd
260 _c2002
365 _b325.00
942 _cBK
999 _c141361
_d141361