Davydov, V. I. (1992). Raschlenenie i korrelyatsiya verkhnekamennougolnykh i nizhnepermskikh otlozheniy Donbassa i Preddonetskogo progiba po fuzulinidam. Sovetskaya Geologiya. 5: 53–61 (In Russian).
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Davydov, V. I.
1992
Raschlenenie i korrelyatsiya verkhnekamennougolnykh i nizhnepermskikh otlozheniy Donbassa i Preddonetskogo progiba po fuzulinidam