Zhuze, A. P. (ed.) (1978): Morskaya mikropaleontologiya (diatomei, radiolyarii, silikoflyagellyaty, foraminifery i izvestkovyy nannoplankton) Marine micropaleontology; diatoms, Radiolaria, Silicoflagellata, foraminifera, and calcareous nannoplankton. Izd. Nauka, Moscow, USSR, 256 pp., georefid:1982-010351