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Books about Riabchikov:
Russians in Space, by Evgeny Riabchikov. Edited by Nikolai P. Kamanin. Translated by Guy Daniels. Prepared by... by E. I. (Evgenii Ivanovich) Riabchikov (1972)
Russians in space / [by] Evgeny Riabchikov; edited by Nikolai P. Kamanin; translated [from the Russian MS.] by... by Evgenii Riabchikov (1972)
Wiki information Riabchikov:
Egor Riabchikov is a cinematographer.