References
- Christiansen , H.H. , French , H.M. and Humlum , O. 2005 . Permafrost in the Gruve-7 mine, Adventdalen, Svalbard . Norsk Geografisk Tidsskrift–Norwegian Journal of Geography , 59:2 : 109 – 115 .
- Gruber , S. 2006 . A reply to the article ‘Permafrost in the Gruve-7 mine, Adventdalen, Svalbard’ by H. Christiansen, H. French & O. Humlum . Norsk Geografisk Tidsskrift–Norwegian Journal of Geography , 60 : 166
- Isaksen , K. , Vonder-Muhll , D. , Gubler , H. , Kohl , T. and Sollid , J.-L. 2000 . Ground surface-temperature reconstruction based on data from a deep borehole in permafrost at Janssonhaugen, Svalbard . Annals of Glaciology , 31 : 287 – 294 .