1. Comments on “Genesis of a Typic Durixeralf in Southern California”;Arkley;Soil Sci. Soc. Am. J.,1981
2. Pedological significance of lithologic discontinuities;Arnold,1968
3. Contributions to the Neogene paleobotany of Central California;Axelrod;Univ. Calif. Publ. Geol. Sci.,1980
4. Chemistry of soil development;Barshad,1964
5. Use of X-ray spectrographic analysis for the study of soil genesis;Beavers,1960