Harris C, Vonder Mühll D, Isaksen K, Haeberli W, Sollid JL, King L, Holmlund P, Dramis F, Guglielmin M, Palacios D. 2003. Warming permafrost in European mountains. Global and Planetary Change 39: 215225.
http://dx.doi.org/10.1016/j.gloplacha.2003.04.001
Hauck C, Guglielmin M, Isaksen K, Vonder Mühll D. 2001. Applicability of frequency- and time-domain electromagnetic methods for mountain permafrost studies. Permafrost and Periglacial Processes 12: 39-52.
http://dx.doi.org/10.1002/ppp.383
Isaksen K. 2001. Past and present ground thermal regime, distribution and creep of permafrost case studies in Svalbard, Sweden and Norway. Series of dissertations submitted to the Faculty of Mathematics and Natural Sciences, University of Oslo. Unipub forlag, Oslo. No. 144.
http://dx.doi.org/10.1080/00291951.2001.10782826
Isaksen K, Vonder Mühll D, Gubler H, Kohl T, Sollid JL. 2000. Ground surface temperature reconstruction based on data from a deep borehole in permafrost at Janssonhaugen, Svalbard. Annals of Glaciology 31: 287-294.
http://dx.doi.org/10.3189/172756400781820291
Isaksen K, Holmlund P, Sollid JL, Harris C. 2001. Three deep alpine-permafrost boreholes in Svalbard and Scandinavia. Permafrost and Periglacial Processes 12: 13-25.
http://dx.doi.org/10.1002/ppp.380
Isaksen K. Humlum O, Sollid JL. 2003b. The Janssonhaugen PACE Borehole, Svalbard. In Sollid JL and Christiansen HH. (eds.) 2003. Permafrost, periglacial features and glaciers in Svalbard. Exursion Guide. VIII. International Conference on Permafrost. Rapportserie i naturgeografi, Universitetet i Oslo, Rapport nr. 14, 145 pp, ISSN 0803-8848, pp. 103-113.
http://dx.doi.org/10.1002/ppp.3430030307
Isaksen K, Humlum O, Sollid JL, Harris C. 2004. Evidence of significant secular and recent warming of permafrost on Svalbard. Abstract S4-10, Bjerknes Centenary 2004: Climate Change in High Latitudes, 1-3 September, Bergen, Norway.
http://dx.doi.org/10.1029/2006jf000522
Sollid JL, Holmlund P, Isaksen K, Harris C. 2000. Deep permafrost boreholes in western Svalbard, northern Sweden and southern Norway. Norsk Geografisk Tidsskrift 54: 186-191.
http://dx.doi.org/10.1080/002919500448567
Sollid JL, Isaksen K, Holmlund P, Harris C. 2005. Thermal monitoring of three deep permafrost (PACE) boreholes in Svalbard and Scandinavia. Abstract, p. 149, Terra Nostra, Heft 2005/2: 2nd European Conference On Permafrost (EUCOP II), June 12 - June 16, 2005, Potsdam, Germany.
http://dx.doi.org/10.1002/ppp.380
Isaksen K, Humlum O, Sollid JL, Harris C. 2003a. Permafrost temperature monitoring, Janssonhaugen Svalbard: a five-year series. Abstract EAEO3-A-10767. Geophysical Research Abstracts, Vol 5, 2003, EGS-AUG-EGU Joint Assembly, Nice.
http://dx.doi.org/10.1029/2007gl031002