Kamikuri, Shin-ichi; Nishi, Hiroshi; Motoyama, Isao (2007): Effects of late Neogene climatic cooling on North Pacific radiolarian assemblages and oceanographic conditions. Elsevier, Amsterdam, Netherlands, Palaeogeography, Palaeoclimatology, Palaeoecology, 249 (3-4), 370-392, georefid:2007-084485