000 00416nam a2200181Ia 4500
008 200828s9999 xx 000 0 und d
020 _a9789387477247
082 _a628.50154 ANI
100 _aANIL K DE
245 0 _aENVIRONMENTAL CHEMISTRY
250 _a9 TH
260 _bNEW AGE INTERNATIONAL PVT
260 _c2019
300 _a371 P
365 _b375
650 _aSANITARY ENGINERING
942 _cBK
999 _c72041
_d72041