Tubular settlers : a technical review /
Willis, Roderick M.
Tubular settlers : a technical review / Roderick M. Willis - [Denver]: American Water Works Association, 1978 - pp. 331-335: ill.
Flocculation
Settling basins
Tubular settlers : a technical review / Roderick M. Willis - [Denver]: American Water Works Association, 1978 - pp. 331-335: ill.
Flocculation
Settling basins