United States. Environmental Protection Agency. Health and Ecological Criteria Division
Jonathan J. A. Dillow
Pittsburgh Sanitary Engineering Conference University of Pittsburgh 1970.
Robert A. Hainly
Gary A. Holt
Pollutech Pollution Advisory Services Ltd.
Henry Gilbert
International Fertilizer Development Center
Risley, John C.
L. B. Johnson
Mohammad Miransari
Robert T. Kay
Terry L. Maluk
Larry F. Land
B. J. Caskey
Madelyn H. Fernstrom
International Conference on Nutrient Recovery from Wastewater Streams (2009 Vancouver, B.C.)
Unknown Author
Michio Aoyama
Annette Solm