Koizumi, Itaru (1992): Diatom biostratigraphy of the Japan Sea: Leg 127. In: Pisciotto, KA; Ingle, JCJr.; von Breymann, MT; Barron, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 127/128(1), 249-289, doi:10.2973/odp.proc.sr.127128-1.127.1992