Shumenko, S. I. (1982): Izvestkovyye nanofossilii v obraztsakh donnykh osadkov Severnoy Atlantiki, otobrannykh v 15-m reyse nis "Akademik Kurchatov" Calcareous nannofossils in samples of bottom sediments from the North Atlantic, collected during the 15th voyage of the scientific research ship "Academician Kurchatov". Izd. Nauka, Moscow, USSR, In: Udintsev, G. B. (editor), Geologiya dna Mirovogo okeana; Atlantika; biostratigrafiya i tektonika (rezul'taty bureniya v 38-m reyse "Glomar Chellendzher") Geology of the floor of the world ocean; Atlantic; biostratigraphy and tectonics; results of drilling during the 38th voyage of the Glomar Challenger, 46-48, georefid:1985-085380