1. Thorium isotopes in the marine environment;Bernat;Earth Planet. Sci. Lett.,1969
2. Thorium and uranium in marine barite;Church;Earth Planet. Sci. Lett.,1972
3. The Lake Tahoe Basin, California-Nevada;Crippen;U.S. Geol. Surv. Water-Stipply Paper 1972,1972
4. The Sea off Southern California;Emery,1960
5. Limnology in North America;Frey,1963