Vorlage:Obruchev, 1964b
Aus WORLDFISH WIKI
- Obruchev, D.V. 1964. Vetv’ Agnatha. Beschelyustnye [The ramus Agnatha. Jawless vertebrates]. Pp. 34–116 in
- Obruchev, D.V. (ed.) 1964. Osnovy paleontologii. Beschelyustnye, ryby [Fundamental of Paleontology], Vol. 11. Nauka SSSR, Moscow–Leningrad. Zitatseite