Drake, Bert G.; Arp, Willem J.; Balduman, Lisa; Curtis, Peter S.; Johnson, J.; Kabara, D.; Leadley, Paul W.; Pockman, William T.; Seliskar, D.; Sutton, Melonee L.; Whigham, Dennis F.; Ziska, Lewis H.(U.S. Department of Energy, 1989)
Drake, Bert G.; Arp, Willem J.; Balduman, Lisa; Cusimano, Renee; Dacey, John; D'Abundo, D.; Hogan, Kevin P.; Long, K.; Pockman, William T.; Utley, P.; Villegas, A. C.; Whigham, Dennis F.(U.S. Department of Energy, 1990)