Climate oscillations as recorded in Svalbard ice core d18O records between AD 1200 and 1997 - Isaksson, Elisabeth; Divine, Dmitry V.; Kohler, Jack; Martma, Tonu; Pohjola, Veijo; Motoyama, Hideaki; Watanabe, Okitsugu (Svenska sällskapet för antropologi och geografi, 2009)