1. On-site wastewater treatment : proceedings of the Fifth National Symposium on Individual and Small Community Sewage Systems, December 14-15, 1987, Hyatt Regency Chicago in Illinois Center, Chicago, Illinois

کتابخانه: Central Library and Documentation Center (Kerman)

موضوع : Congresses ، Sewage - Purification,Congresses ، Sewage disposal plants - United States

رده :
TD
745
.
N34
1988

2. Treatment of domestic and industrial wastewaters in large plants : proceedings of a workshop held in Vienna, Austria, 3- 7 September, 1979

کتابخانه: Library of Niroo Research Institue (Tehran)

موضوع : ، Sewage- Purification- Congresses,، Sewage disposal plants- Congresses