000 00272nam a2200121Ia 4500
654 _aCIVI
100 _aHardenburgl.W.A.
250 _a1st Ed.
245 _aSewage &Sewage Treatment.
260 _bIndian Book Co. New Delhi.
_c1951
082 _bHAR
999 _c22435
_d22435
041 _aeng
655 _aC-12
546 _aText in English
300 _c22 cm.