1. Geochemistry of uranium in apatite and phosphorite;Altschuler;U. S. Geol. Surv., Profess. Papers,1958
2. The genesis of carbonate apatites;Ames;Econ. Geol.,1959
3. Late Pleistocene and Recent changes in land forms, climate and archeology in central Baja California;Arnold;Univ. Calif. (Berkeley) Publ. Geography,1957
4. Pelagic sediments;Arrhenius,1960
5. The Central Desert of Baja California: Demography and Ecology;Aschman,1959