Author: Volyanyuk, N.Ya., 1972.:
Title: Vulkanicheskie stekla Mukhor-Taly i svyazannye s nimi sharovye obrazovaniya.
Description: Moskva 1972. 8vo. Pp. 148, 26 figs., 27 tabs., bibliogr. Orig. wrappers. - In Russian. "Volcanic glasses of the Mukhor-Tala and their related orbicular forms."

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