European Soil Bureau Scientific Committee / USDA / Joint Research Centre / office for official Publications of the European Communities / International Congress / Institute for Environment / European Environment Agency / European Union / U.S. Army Corps of Engineers Construction Engineering Research Laboratories / Winand Staring Centre for Integrated Land / Soil and Water Research / /
Person
C.J. WILSON / Roberto Colombo / A. VAN DIEPEN / Maria Luisa Paracchini / VAN DER VOET / Nixon / /