Alekseeva, R. E. (1967). Stratigrafia i brakhiopody nizhnego devona Severo-Vostoka SSSR [Stratigraphy and brachiopods of the Lower Devonian of the North-East of the USSR]. Moskva, “Nauka”. 160 pp.
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Alekseeva, R. E.
1967
Stratigrafia i brakhiopody nizhnego devona Severo-Vostoka SSSR [Stratigraphy and brachiopods of the Lower Devonian of the North-East of the USSR]