000 00282nam a2200097Ia 4500
100 _aManivasakam N
245 _aPhysico-chemical Examination of Water Sewage & Industrial Effluents
260 _bPragati Prakashan, Meerut
082 _aG91:(D854)/N84.85/B16499
300 _app 275; 21*14
999 _c1953
_d1953