Template:Gulyaev & Ippolitov, 2013
- Gulyaev, D.B. & Ippolitov, A. P. 2013. Detailed biostratigraphy of the Lower Callovian of the Kanev district area (Cherkassy region, Ukraine). Jurassic System of Russia: Problems of stratigraphy and рaleogeography. Fifth All‐Russian meeting. September 23-27, 2013, Tyumen. Scientific materials. (V.A.Zakharov (ch. ed.), M.A.Rogov, B.N.Shurygin (eds.). Yekaterinburg: “ID “IzdatNaukaServis” LLC, 2013. pp. 65–72. PDF