628.5 RAO 36281 14083 14140 32145 36282 39562 42401
Rao, M. Narayana Waste water treatment: rational methods of design and industrial pratices / by M. Narayana. Rao and Amal. K. Datta. - 2nd ed.. - New Delhi : Oxford, c1987 v, 345p. :ill. Includes index * Sanitation engineering. waste water technology. * Datta, Amal. K. * Title
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