1. Activated sludge: a comparison of oxygen and air systems: a Report of the ASCE task committee on pure oxygen activated Sludge of the Committee on water pollution management of the american Society of Civil engineers

Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)

Subject: Purification - Activated sluge process ، Sewage,، Sewage sludge,، ASCE task committee on pure oxygen activited sludge

Classification :
TD
756
.
A29
1983

2. Activated sludge : a comparison of oxygen and air systems a report of the ASCE Task Committee on Pure Oxygen Activated Sludge of the Committee on Water Pollution Management of the Environmental Engineering Division of the American Society of Civil Engineers

Library: Central Library and Documentation Center (Kerman)

Subject: ، Sewage - Purification - Activated sludge process,، ASCE Task Committee on Pure Oxygen Activated Sludge

Classification :
TD
756
.
A29
1983

3. Activated sludge, a comparison of oxygen and air systems : a report of the ASCE Task Committee on Pure Oxygen Activated Sludge of the Committee on Water Pollution Management of the Environmental Engineering Division of the American Society of Civil Engineers

Library: Central Library of Amirkabir University of Technology (Tehran)

Subject: Sewage - Purification - Activated sludge process , ASCE Task Committee on Pure Oxygen Activated Sludge

Classification :
TD
756
.
A29