Kanev, G. P. (1978). Novyye permskiye antrakoziidy severnogo i srednego Priural'ya [New Permian anthracosiids of the northern and middle Cis-Urals]. In: Biostratigrafiya fanerozoya severo-vostoka yevropeyskoy chasti SSSR [Biostratigraphy of the Phanerozoic in the northeast of the European part of the USSR]. Trudy Instituta geologiya Komi filiala Akademii nauk SSSR. 25: 14-21.
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Kanev, G. P.
1978
Novyye permskiye antrakoziidy severnogo i srednego Priural'ya [New Permian anthracosiids of the northern and middle Cis-Urals]. In: Biostratigrafiya fanerozoya severo-vostoka yevropeyskoy chasti SSSR [Biostratigraphy of the Phanerozoic in the northeast of the European part of the USSR]
Trudy Instituta geologiya Komi filiala Akademii nauk SSSR