Gasperi, Joseph T.; Kennett, James P. (1992): Isotopic evidence for depth stratification and paleoecology of Miocene planktonic foraminifera; western equatorial Pacific DSDP Site 289. University of Tokyo Press, Tokyo, Japan, In: Tsuchi, Ryuichi (editor), Ingle, James C., Jr. (editor), Pacific Neogene; environment, evolution, and events, 117-167, georefid:1994-032535