Kemp, A. E. S.; Baldauf, J. G. (1992): Deep sea laminated diatom ooze in the eastern Equatorial Pacific; a record of peak Neogene paleoproductivity. American Geophysical Union, Washington, DC, United States, In: Anonymous, AGU 1992 fall meeting, 73 (43, Suppl.), 249, georefid:1996-045499