Vorlage:Obruchev, 1958
Aus WORLDFISH WIKI
- Obruchev, D.V. 1958. K biostratigrafii ikhtiofaun nizhnego i srednego paleozoya SSSR [To the biostratigraphy of the ichthyofauna of the Lower and Middle Paleozoic USSR]. Sovetskaya Geologiya, 11: 40–53.