Metcalf & Eddy, AECOM ; revised by George Tchobanoglous, H. David Stensel, Ryujiro Tsuchihashi, Franklin Burton ; contributing authors, Mohammad Abu-Orf, Gregory Bowden, William Pfrang.
Terratec 1994 Leipzig
Thomas Sander
Manfred Schütze
Doris Haas-Arndt
Peter Münch
Charles G. Gunnerson
Jamie Benidickson
Sophia Stamatopoulou-Robbins
L. R. Davis