Reconstruction of the historical temperature trend from measurements in a medium-length borehole on the Lonomosovfonna plateau, Svalbard - van de Wal, Roderik S. W.; Mulvaney, Robert; Isaksson, Elisabeth; Moore, John C.; Pinglot, Jean Francis; Pohjola, Veijo A.; Thomassen, Martijn P. A. (2002)