000 00299nam a2200121Ia 4500
654 _aCIVI
100 _aMorison, J.
245 _aDose Of Alum for The Clarification Of Water Purifi.
260 _bThacker- Spink & Company Calcutta.
_c1949
082 _bMOR
300 _a378p.
999 _c32264
_d32264
300 _c23 cm.
655 _aC-12
041 _aeng
546 _aText in English