Рассказывает Петр Григорьевич Соболев
Источник: Sobolev, Petr Grigor'evich. (1965). Oral history interview with Petr Grigor'evich Sobolev 1965. Columbia Digital Library Collections [Columbia University Libraries]. [Oral histories sound recording]. Retrieved from https://doi.org/10.7916/d8-81rb-db10