1. Recent Radiolaria from the Gulf of California;Benson,1966
2. Preservation of plankton shells in an anaerobic basin off California;Berger;Geol. Soc. Am. Bull.,1970
3. The seasonal occurrence and depth zonation of radiolarians in Korsfjorden, Western Norway;Bjo¨rklund;Sarsia,1974
4. Monterey formation in California and origin of its siliceous rocks;Bramlette;U.S. Geol. Surv. Prof. Pap.,1946
5. Pb-210 Geochronology in the Coastal Marine Environment;Bruland,1974