International Workshop on Permafrost and Periglacial Environments in Mountain Areas Interlaken & Haeberli, W. (1992). Permafrost and periglacial environments in mountain areas: Proceedings of an international workshop sponsored by the International Permafrost Association, Interlaken, Switzerland, 16-20 September, 1991. Wiley.
Chicago-Zitierstil (17. Ausg.)International Workshop on Permafrost and Periglacial Environments in Mountain Areas Interlaken und Wilfried Haeberli. Permafrost and Periglacial Environments in Mountain Areas: Proceedings of an International Workshop Sponsored by the International Permafrost Association, Interlaken, Switzerland, 16-20 September, 1991. Chichester: Wiley, 1992.
MLA-Zitierstil (9. Ausg.)International Workshop on Permafrost and Periglacial Environments in Mountain Areas Interlaken und Wilfried Haeberli. Permafrost and Periglacial Environments in Mountain Areas: Proceedings of an International Workshop Sponsored by the International Permafrost Association, Interlaken, Switzerland, 16-20 September, 1991. Wiley, 1992.