1. United States Department of Agriculture, National Center for Agricultural Utilization Research, Agricultural Research Service, Peoria, IL, USA
2. Construction Engineering Research Laboratory, Environmental Processes Branch, U.S. Army Engineer Research and Development Center, Champaign, IL, USA
3. Energetics and Warheads Division, U.S. Army - Armament Research, Development and Engineering Center, Picatinny Arsenal, NJ, USA