P. P. Benham
Norman E. Dowling
Wolfgang Förster
Friedrich R. Schwarzl
Joachim Ro sler
William F. Hosford
Vladislav Mantic
R. G. C. Arridge
United States. Environmental Protection Agency. Office of Water Enforcement
Valeriy Buryachenko
Anthony C. Fischer-Cripps
R. W. Davidge
Thomas H. Courtney
Michael D. Drory
Gottfried W. Ehrenstein
Roger D. Corneliussen
David Simchi-Levi
Peter Haupt
Goerg H. Michler
C. Mattheck