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Books about Lonchakov:
Russian Air Force Officers: Vladimir Titov, Gennady Padalka, Valery Korzun, Yury Lonchakov, Viktor Mikhaylovich... by LLC Books (2010)
Wiki information Lonchakov:
Yury Valentinovich Lonchakov is a Russian former cosmonaut and a veteran of three space missions. He has spent 200 days in space and has conducted two career spacewalks.
Kirill Lonchakov is the son of Yury Lonchakov.