1. Content of heat-producing elements in plutonic rocks of the Salinian block California Coast Ranges;Dodge;Geol. Soc. America Abstracts with Programs,1969
2. Equivalent uranium map of conterminous United States U.S.;Duval;Geol. Survey Open-file Rept.,1989
3. Radioactivity of a California Terrace Soil Soil;Hansen;Science,1970