Books by Michael B. Sonnen:
Books in the extended shelves:
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Sonnen, Michael B.: Abatement of deposition and scour in sewers (Municipal Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protetction Agency ;, 1977), also by Municipal Environmental Research Laboratory (page images at HathiTrust)- Sonnen, Michael B.: Evaluation of alternative waste treatment facilities (Dept. of Civil Engineering, University of Illinois, 1967), also by University of Illinois at Urbana-Champaign : Department of Civil Engineering (page images at HathiTrust)
Find more by Michael B. Sonnen at your library, or elsewhere.