Advances in Cold-Region Thermal Engineering and Sciences Technological, Environmental, and Climatological Impact Proceedings of the 6th International Symposium Held in Darmstadt, Germany, 22-25 August 1999 - Hutter, Kolumban; Hutter, Kolumban; Wang, Yongqi; Wang, Yongqi; Beer, Hans; Beer, Hans (Springer Berlin Heidelberg : Imprint: Springer, 1999)