Yazar
Gary S Logsdon
8 cilt bulundu.
Gary S. Logsdon · American Waterworks Association
295 sayfa · 2008
Filtration / Purification / Slow sand filtration / Water / Water, purification
Michelle Frey, Carrie Hancock, Gary S. Logsdon · AWWA Research Foundation
72 sayfa · 1997
Control / Drinking water / Cryptosporidiosis / Cryptosporidium / Contamination
Gary S Logsdon · Municipal Environmental Research Laboratory]
33 sayfa · 1978
Estimates / Water / Drinking water / Water treatment plants / Filtration
Gary S. Logsdon · The Foundation and American Water Works Association
149 sayfa · 1994
Control / Water / Giardia / Softening / Virus removal
Gary S Logsdon · U.S. Environmental Protection Agency, Research and Development, Municipal Environmental Research Laboratory
Sayfa sayısı yok · 1981
Pipe, Asbestos-cement / Water / Corrosion / Corrosion and anti-corrosives / Purification
Gary S Logsdon · for sale by the National Technical Information Service
146 sayfa · 1979
Water / Filtration / Asbestos fibers / Purification