Unveilling the Arctic. [Papers presented at the conference "The History of the Discovery of the Arctic Regions as Seen through the Descriptions of Travellers and the Work of Cartographers from Early Antiquity to the 18 th Century "organized by Comité arctique international and held in Rome in 1981.] / Louis Rey ;Louis Reyeditor, Co-editors Claudette Reed Upton, Marvin Falk