Water technology :
Gray, N. F.
Water technology : an introduction for scientists and engineers/ N. F. Gray - New Delhi : Viva Books Private Limited, 1999. - xi, 548p.; 22 cm.
8176491535
1.Freshwater biology
2.Sewage disposal
3.Water quality biological assessment
4.Water quality management
628.16
Water technology : an introduction for scientists and engineers/ N. F. Gray - New Delhi : Viva Books Private Limited, 1999. - xi, 548p.; 22 cm.
8176491535
1.Freshwater biology
2.Sewage disposal
3.Water quality biological assessment
4.Water quality management
628.16