Akiba, Fumio (1986): Middle Miocene to Quaternary diatom biostratigraphy in the Nankai Trough and Japan Trench, and modified lower Miocene through Quaternary diatom zones for middle-to-high latitudes of the North Pacific. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Kagami, Hideo, Karig, Daniel E., Bray, Cynthia J., Charvet, Jacques, Coulbourn, William T., Kinoshita, Hajimu, Lagoe, Martin B., Lang, Thomas H., Lombari, Gail A., Lundberg, Neil, Machihara, Tsutomu, Mukhopadhyay, Prasanta, Smith, Alec J., Stein, Carol L., Taira, Asahiko, Akiba, Fumio, Cadet, Jean-Paul, Fujioka, Kantaro, Leggett, Jeremy K., Matsumoto, Ryo, Niitsuma, Nobuaki, Whalen, Elizabeth (editor), Initial reports of the Deep Sea Drilling Project; covering Leg 87A of the cruises of the drilling vessel Glomar Challenger, Yokohama, Japan, to Yokohama, Japan, June-July, 1982, and Leg 87B from Yokohama, Japan, to Hakodate, Japan, July-August, 1982, 87, 393-481, georefid:1986-057953