000 00254nam a22001217a 4500
041 _aENG
100 _aWhite.J.B
245 _aWastewater Engineering
260 _aDelhi
_bFederal PUB
_c1978
300 _a318
650 _aAPE
856 _uAPE ( 02 )
999 _c1642
_d1642