Paporotnikovidnye permi severa Preduralʹskogo progiba.
Publisher: "Nauka," Leningr. otd-nie
Published: 1973
Place of publication: Leningrad
Language: rus
Number of pages: 191
Subjects: Ferns, Fossil.; Paleobotany -- Permian.; Paleobotany -- Russia (Federation) -- Ural Mountains.
Notes: Bibliography: p. 133-[138]
At head of title: Akademii͡a︡ nauk. Komi filial. Institut geologii. L.A. Fefilova.