Syed R. Qasim
Terry Pratchett
Mark J. Hammer
Arnold E. Greenberg
Unknown Author
Jerry A. Nathanson
Weber, Walter J.
Kenneth A. Mikkelson
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American Public Health Association.
American Chemical Society
Warren Viessman
Andrew D. Eaton
Metcalf & Eddy, AECOM ; revised by George Tchobanoglous, H. David Stensel, Ryujiro Tsuchihashi, Franklin Burton ; contributing authors, Mohammad Abu-Orf, Gregory Bowden, William Pfrang.
Rumana Riffat
Sunita Varjani