Vassoevich, N.B.; Eberzin, A.G. (1931). Materialy k izucheniyu kimmeriyskih Prososdacna Tourn. [Materials for the study of the Kimmerian Prososdacna Tourn.]. Trudy Geologicheskogo Muzeya Akademii Nauk SSSR. 8: 259-282.
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Vassoevich, N.B.; Eberzin, A.G.
1931
Materialy k izucheniyu kimmeriyskih <i>Prososdacna</i> Tourn. [Materials for the study of the Kimmerian <i>Prososdacna</i> Tourn.]