Gladenkov, A.Y. & Barron, J.A. (1995). Oligocene and Early Middle Miocene diatom biostratigraphy of Hole 884B. In: Rea, D.K., Basov, I.A., Scholl, D.W., and Allan, J.F. (Eds.), Proceedings of the Ocean Drilling Program, Scientific Results, vol. 145. College Station, TX (Ocean Drilling Program), 145: 21-41