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Kipfstuhl, Sepp; Faria, Sérgio H.; Azuma, Nobuhiko; Freitag, Johannes; Hamann, Ilka; Kaufmann, Patrik; Miller, Heinrich; Weiler, Karin; Wilhelms, Frank (2009). Evidence of dynamic recrystallization in polar firn. Journal of geophysical research, 114(B5) Washington, D.C.: American Geophysical Union 10.1029/2008JB005583
Johnsen, Sigfús J.; Hansen, Steffen Bo; Sheldon, Simon G.; Dahl-Jensen, Dorthe; Steffensen, Jørgen P.; Augustin, Laurent; Journé, Paul; Alemany, Olivier; Rufli, Henry; Schwander, Jakob; Azuma, Nobuhiko; Motoyama, Hideaki; Popp, Trevor; Talalay, Pavel; Thorsteinsson, Thorsteinn; Wilhelms, Frank; Zagorodnov, Victor (2007). The Hans Tausen drill: design, performance, further developments and some lessons learned. Annals of glaciology, 47, pp. 89-98. International Glaciological Society 10.3189/172756407786857686
