Barron, J. A. (1976): Middle Miocene-lower Pliocene marine diatom and silicoflagellate correlations in the California area. Soc. Econ. Paleontol. Mineral., United States, In: Fritsche, A. E. (editor), Ter Best, H., Jr. (editor), Wornardt, W. W. (editor), The Neogene symposium; selected technical papers on paleontology, sedimentology, petrology, tectonics and geologic history of the Pacific Coast of North America, 117-124, georefid:1977-043573