TransliterationPrirodnye bogatstva Severo-Kavkazskogo kraya: Na osnove materialov 1 Sev.-Kavk. kraev. geol. konf. 21-26 marta 1935 g.: Doklady i vystupleniya: pod red. Fedorova P.Ya, Osmova I.V., Tambovtseva N.I. i dr.
In EnglishNatural Wealth of the North Caucasus Krai: Based on Materials 1 of the North Caucasus Krai Geological Conference March 21-26: Reports and Speeches: edited by P. I. Fedorov, I. V. Osmov, N. I. Tambovtsev, and others.
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