Two ice-core d18O records from Svalbard illustrating climate and sea-ice variability over the last 400 years - Isaksson, Elisabeth; Kohler, Jack; Pohjola, Veijo; Moore, John; Igarashi, Makoto; Karlöf, Lars; Martma, Tonu; Meijer, Harro; Motoyama, Hideaki; Vaikmäe, Rein; van de Wal, Roderik S.W. (Edward Arnold Publishers, 2005)