000			00499nam a2200157Ia 4500
020			_c0.00
082			_a720.288 _bGHO/O
100			_aGhose,D N
245			_aOperation and Maintenance of Sewage Treatment Plants: based on field experience of Author and first of its kind in Print in India _cD N Ghose _h[Text]
260			_aDelhi _bCBS publisher _c1991
300			_ax,96
500			_adiagrams,tables,annexures.
650			_aSewage treatment plants.
658			_aArchitecture
041			_aEnglish
999			_c13849 _d13849