1. Alekseev, A.S., Kopaevich, L.F., Nikishin, A.M., et al., Cenomanian–Turonian boundary beds of the southwestern Crimea: Report 1. Stratigraphy, Byull. Mosk. Ob–va Ispyt. Prir. Otd. Geol., 2007, vol. 82, no. 3, pp. 3–29.
2. Baraboshkin, E.Yu., Paleofaults, their features and significance for stratigraphy, Byull. Mosk. Ob–va Ispyt. Prir. Otd. Geol., 2008, vol. 83, no. 5, pp. 89–97.
3. Baraboshkin, E.J., Alekseev, A.S., and Kopaevich, L.F., Cretaceous palaeogeography of the north-eastern Peri-Tethys, Palaeogeogr., Palaeoclimatol., Palaeoecol., 2003, vol. 196, pp. 177–208.
4. Baraboshkin, E.Yu., Naidin, D.P., Ben’yamovskii, V.N., et al., Prolivy Severnogo polushariya v melu i paleogene (Straits of the Northern Hemisphere in the Cretaceous and Paleogene), Moscow: Geol. Fak. Mosk. Gos. Univ., 2007.
5. BouDagher, M.K., Banner, F.T., Whittaker, J.E., and Simmons, M.D., The Early Evolutionary History of Planktonic Foraminifera, New York: Chapman and Hall, 1997.