Bengali Keyboard
Rao, M. Narayana.
Waste water treatment : rational methods of design and industrial practices / M. Narayana Rao and Amal K. Datta. - 2nd ed. - New Delhi : Oxford & IBH Pub., c1987. - viii, 345 pages : illustrations ; 21 cm.
Includes index.
8120402154
Sewege -- Purification.
628.3 RAO
Waste water treatment : rational methods of design and industrial practices / M. Narayana Rao and Amal K. Datta. - 2nd ed. - New Delhi : Oxford & IBH Pub., c1987. - viii, 345 pages : illustrations ; 21 cm.
Includes index.
8120402154
Sewege -- Purification.
628.3 RAO