Permafrost : Sixth International Conference : proceedings : July 5-9, 1993 Beijing, China. Vol. 2.
International Conference on Permafrost (6 : 1993 Beijing)
Bok Engelsk 1993
| Utgitt | Wushan : South China University of Technology Press , 1993
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|---|---|
| Omfang | XV s., s. 965-1360 : ill.
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| ISBN | 756230484X
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