000 00403nam a2200157Ia 4500
008 221007s9999 xx 000 0 und d
020 _a9788122418354
082 _a628.5
_bRAO
100 _aRao C.S
245 0 _aEnvironmental Pollution Control Engineering
250 _a2nd rev.
260 _aNew Age, New Delhi
_bNew Age, New Delhi
_c2010
300 _a424
650 _aCHEMISTRY
942 _cBK
999 _c1473
_d1473