(1977). Paleontologi︠i︡a nizhnego paleozo︠i︡a Urala. UN︠T︡S AN SSSR.
Lua i Stíl Chicago (17ú heag.)Paleontologi︠i︡a Nizhnego Paleozo︠i︡a Urala. Sverdlovsk: UN︠T︡S AN SSSR, 1977.
Lua MLA (8ú heag.)Paleontologi︠i︡a Nizhnego Paleozo︠i︡a Urala. UN︠T︡S AN SSSR, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.