000 00313nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aRanveer kumar & et.al
245 0 _aPollution Control and Environment
260 _b"Enkay Publishing House, New Delhi"
260 _c2012
365 _b785.00
942 _cBK
999 _c150178
_d150178