by Feike J. Leij [and three others], project officer, Joseph R. Williams.National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency1996.<Y622-B193>
Center for Environmental Research Information, National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency1996.<Y622-B194>
Center for Environmental Research Information, National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency[1996]<M331-A9>
Sustainable Technology Division, Technology Transfer and Support Division, Air Pollution Prevention and Control Division, National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency[1999]<AU-511-B1>
edited by Robert M. Clark and Brenda K. BoutinNational Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency2001