Template:Obruchev & Karatajūtė-Talimaa, 1967
- Obruchev, D.V. & Karatajūtė-Talimaa, V. 1967. Vertebrate faunas and correlation of the Ludlovian-Lower Devonian in eastern Europe. Journal of the Linnean Society (Zoology) 47: 5–14. DOI: 10.1111/j.1096-3642.1967.tb01390.x .