Online Books by
Robert L. Siegrist
Books from the extended shelves:
Siegrist, Robert L.: The manipulation of household wastewater (Small Scale Waste Management Project, University of Wisconsin, 1975), also by Neil Hutzler and Small Scale Waste Management Project (Wis.) (page images at HathiTrust)
Siegrist, Robert L.: Segregation and separate treatment of black and grey household wastewaters to facilitate onsite surface disposal (Small Scale Waste Management Project, University of Wisconsin--Madison [and] University of Wisconsin--Extension, 1977), also by Small Scale Waste Management Project (Wis.) (page images at HathiTrust)
Siegrist, Robert L.: Technology assessment of intermittent sand filters (Municipal Environmental Research Laboratory, EPA, 1985), also by Damann L. Anderson, Richard J. Otis, and Municipal Environmental Research Laboratory (page images at HathiTrust)
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