A. E. Ludwick
South Dakota State University
D. W. Johnson
Oak Ridge National Laboratory
P. N. Soltanpour
Urmia University
David W. Johnson
University of Queensland
Robert C. Musselman
Rocky Mountain Research Station
J. F. Giles
University of Maryland, College Park
Frans J. M. Harren
Radboud University Nijmegen
Richard F. Wright
Norwegian Institute for Water Research
P. M. Walthall
Louisiana State University
R. A. Sommerfeld
Rocky Mountain Research Station