000 00316nam a2200133Ia 4500
008 161018s9999 xx 000 0 und d
020 _a9788122418354
100 _aCs.Rao
_95671
245 _aEnvironmental Pollution Control Engineering
260 _bNew Chand
300 _bRs:225
490 _a16032
942 _01
999 _c16032
_d16032