APA (7th ed.) Citation

Shafranovskiĭ, I. I., & ︠I︡Ushkin, N. P. (2007). Nauchna︠i︡a perepiska , 1959-1993. Geoprint.

Chicago Style (17th ed.) Citation

Shafranovskiĭ, I. I., and Nikolaĭ Pavlovich ︠I︡Ushkin. Nauchna︠i︡a Perepiska , 1959-1993. Syktyvkar: Geoprint, 2007.

MLA (8th ed.) Citation

Shafranovskiĭ, I. I., and Nikolaĭ Pavlovich ︠I︡Ushkin. Nauchna︠i︡a Perepiska , 1959-1993. Geoprint, 2007.

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