Permafrost : North American contribution [to the] Second International Conference, 13-28 July, 1973, Yakutsk, U.S.S.R.

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International Conference on Permafrost (2nd : 1973 : I︠A︡kutsk, R.S.F.S.R.)

Conferences

International Conference on Permafrost (2nd : 1973 : I︠A︡kutsk, R.S.F.S.R.)

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