Books by Guy R. Nelson:
Books in the extended shelves:
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Nelson, Guy R.: Predicting and controlling residual chlorine in cooling tower blowdown (National Environmental Research Center, 1973), also by Or.) National Environmental Research Center (Corvallis and United States. Environmental Protection Agency. Office of Research and Monitoring (page images at HathiTrust)- Nelson, Guy R.: Water recycle/reuse possibilities : power plant boiler and cooling systems (Corvallis, Oregon : National Environmental Research Center, Office of Research and Development, U.S. Environmental Protection Agency, 1974., 1974), also by Pacific N.W. Environmental Research Laboratory, Or.) National Environmental Research Center (Corvallis, and United States. Environmental Protection Agency. Office of Research and Development (page images at HathiTrust)
Find more by Guy R. Nelson at your library, or elsewhere.