Leighton, Ralph Tuva or bust! : Richard Feynman's last journey / Ralph Leighton.

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Leighton, Ralph

Tuva or bust! : Richard Feynman's last journey / Ralph Leighton.

Feynman, Richard Phillips -- Journeys -- Russian S.F.S.R. -- Tuvinskaia A.S.S.R.

Physicists -- United States -- Biography.

Tuvinskaia A.S.S.R. (R.S.F.S.R.) -- Description and travel.