Wierzbowski, H., Ippolitov, A. P., Gulyaev, D.B. & Rogov, M.A. 2020. Callovian oxygen and carbon isotope records of the Russian Platform: indices of oceanographic and climatic changes. Jurassic System of Russia: Problems of stratigraphy and рalaeogeography. Proceedings of the VIIIth All-Russian Meeting with international participation. Online-conference, September 7-10, 2020. V.A. Zakharov (resp. ed.), M.A. Rogov, E.V. Shchepetova, A. P. Ippolitov (eds). Syktyvkar: IG Komi SC UB RAS. pp. 282–284. pp. pdf PDF
