Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory, for sale by the National Technical Information Services, 1978
Subcommittee on Radiochemistry, National Accademy of Sciences-National Research Council; available from the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va., 1965
Subcommittee on Radiochemistry, National Accademy of Sciences-National Research Council, available from the Clearinghouse for Federal Scientific and Technical Information, 1965