Authors Year Title
Kind 1944 Goniatity i klimenii zapadnogo sklona Mugodzharskikh gor. [Goniatites and Clymenoidea in the Upper Devon of the Western Mugodjar. In Russian, with English summary].
Uchenye zapiski Leningr. Univ., 70, seriya geologo-pochvennykh Nauk, 11: 137-166, tab.1-3, pl.1; Leningrad.