The Online Books Page

Books by Richard S. Engelbrecht:

Books in the extended shelves:

• Engelbrecht, Richard S.: Acid-fast bacteria and yeasts as indicators of disinfection efficiency (Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory ;, 1979), also by University of Illinois (Urbana-Champaign campus), United States. Army Medical Research and Development Command, and Municipal Environmental Research Laboratory (page images at HathiTrust)
• Engelbrecht, Richard S.: Biological treatment of petrochemical wastes (University of Illinois, Dept. of Civil Engineering, 1963), also by S. V. RamaRao, Richard E. Speece, University of Illinois at Urbana-Champaign. Dept. of Civil Engineering, and United States Division of Water Supply and Pollution Control (page images at HathiTrust)
• Engelbrecht, Richard S.: Final report : removal of viruses by diatomaceous earth filtration. (University of Illinois, Department of Civil Engineering, 1972) (page images at HathiTrust; US access only)
• Engelbrecht, Richard S.: New microbial indicators of wastewater chlorination efficiency (U.S. Environmental Protection Agency, Office of Research and Development; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1974), also by United States. Environmental Protection Agency. Office of Research and Development (page images at HathiTrust)
• Engelbrecht, Richard S.: Virus removal by chemical coagulation : final report (University of Illinois, Water Resources Center, 1969), also by Malay Chaudhuri and University of Illinois at Urbana-Champaign. Water Resources Center (page images at HathiTrust)

Find more by Richard S. Engelbrecht at your library, or elsewhere.