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Steffensen, Jørgen Peder; Andersen, Katrine K.; Bigler, Matthias; Clausen, Henrik B.; Dahl-Jensen, Dorthe; Fischer, Hubertus; Goto-Azuma, Kumiko; Hansson, Margareta; Johnsen, Sigfús J.; Jouzel, Jean; Masson-Delmotte, Valérie; Popp, Trevor; Rasmussen, Sune O.; Röthlisberger, Regine; Ruth, Urs; Stauffer, Bernhard; Siggaard-Andersen, Marie-Louise; Sveinbjörnsdóttir, Árný E.; Svensson, Anders and White, James W. C. (2008). High-resolution Greenland ice core data show abrupt climate change happens in few years. Science, 321(5889), pp. 680-684. Washington, D.C.: American Association for the Advancement of Science 10.1126/science.1157707
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
Mortensen, Anette K.; Bigler, Matthias; Grönvold, Karl; Steffensen, Jørgen P.; Johnsen, Sigfús J. (2005). Volcanic ash layers from the Last Glacial Termination in the NGRIP ice core. Journal of quaternary science JQS, 20(3), pp. 209-219. John Wiley & Sons, Ltd. 10.1002/jqs.908
