1. Biostratigraphy, paleomagnetism and sedimentology of Late Cenozoic sediments in northwestern Hokkaido, Japan Ujiie, Hiroshi; Saito, Tsunemasa; Kent, Dennis V.; Thompson, Peter R.; Okada, Hakuyu; Klein, George deVries; Koizumi, Itaru; Harper, Jr., Howard E.; Sato, Tomindo 1977 Articles Geology, StratigraphicSubmarine geologyPaleontology