Summerhayes, Colin P. (1981): Oceanographic controls on organic matter in the Miocene Monterey Formation, offshore California. Soc. Econ. Paleontol. Mineral., Pac. Sect., Los Angeles, CA, United States, In: Garrison, Robert E. (editor), Douglas, Robert G. (editor), The Monterey Formation and related siliceous rocks of California, 213-219, georefid:1982-028832