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Johnsen, S.J., H. Rufli, J. Schwander et al. | The Hans Tausen drill: Design, performance, further developments and some lessens learned. Annals of Glaciology, 47, 89-98. | 2007 | Schwander, Jakob u. H. Rufli | Electromechanical drilling in dry holes to medium depths. In: Ice core drilling, Proceedings of the third international workshop in ice drilling technology, pp. 32-37, Grenoble 10.-14. Okt. 1988. | 1989 | Schwander, Jakob u. H. Rufli | Electromechanical drilling of a 300-m core in a dry hole at Summit, Greenland. In: Memoirs of National Institute of Polar Research. Ice drilling technology. Proc. of the Fourth International Workshop on Ice Drilling Technology, Tokyo, April 20-23, 1993, pp. 93-98, Tokyo 1994. | 1994 | Weiler, K., J. Schwander, P. Nyfeler, M. Leuenberger, P. Kaufmann, H. Rufli et al. | Estimating the age difference between gas and ice from very old firn samples at Kohnen station. | 2006 | Johnsen, S.J., N.S. Gundestrup, S.B. Hansen, J. Schwander u. H. Rufli | The new improved version of the ISTUK ice core drill. In: Memoirs of National Institute of Polar Research. Ice drilling technology. Porc. of the Fourth International Workshop on Ice Drilling Technology, Tokyo, April 20-23, 1993, 9-23, Tokyo, 1994. | 1994 | Rufli, Henry, B. Stauffer, u. H. Oeschger | Lightweight 50-Meter Core Drill for Firn and Ice. In: Ice-Core Drilling, University of Nebraska Press, edited by J.F. Splettstoesser, pp. 139-153. | 1976 | Rufli, Henry u. J. Schwander | A floating-station structure, Annals of Glaciology, 47, 79-81. | 2007 |
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