Radzikowski Marc Jeffrey
Raffoux Jean-Paul
Recreational Technologies Inc.
Renirie Wim C. M.
Rheinische Landschaftspflege Jakob Voets INg. Grad. GmbH &
Rognas Roger D.
Ross, Jr. James M.
Roterman Thaddeus
Runkle Mark Andrew
Ryu Sang-Hyo
Canada
World
United States