1. Palaeotemperatures still exist in the Greenland ice sheet;Dahl-Jensen;Nature,1986
2. Past accumulation rates derived from observed annual layers in the GRIP ice core from Summit, Central Greenland;Dahl-Jensen,1992
3. A battery powered, instrumented deep ice core drill for liquid filled holes;Gundestrup,1985
4. ISTUK, a deep ice core drill system;Gundestrup;CRREL Special Report 84-34,1984
5. Resurvey of bore hole at Dye 3, South Greenland;Hansen;J. Glaciol.,1988