000 00412nam a2200157Ia 4500
008 130629s9999 xx 000 0 und d
082 _a620.85 RAO-E
100 _aRao,C S
245 _aEnviornmental Pollution Control Engineering
250 _a2
260 _bNew Age International Pvt Ltd
_c2006
_aNew Delhi
300 _a424
650 _aEcology
650 _aEnviornment Health Engineering
942 _cBK
999 _c25304
_d25304