Haslett, Simon K.; Funnell, Brian M. (1996): Sea surface temperature variation and palaeo-upwelling throughout the Plio-Pleistocene Olduvai subchron of the eastern Equatorial Pacific; an analysis of radiolarian data from ODP sites 677, 847, 850 and 851. University of Wales, Aberystwyth-Press, Aberystwyth, United Kingdom, In: Moguilevsky, Alicia (editor), Whatley, Robin (editor), Microfossils and oceanic environments, 155-164, georefid:1997-074806