Biostratigrafija kontinental'nogo triasa Timano-Severoural'skogo regiona po faune tetrapod - Novikov, Igor' V. (Nauka, 1994)
In kyrill. Schr., russ. - Zsfassung in engl. Sprache u.d.T.: Continental Triassic biostratigraphy of the Timan-North Urals region using tetrapod fauna