Ulfstein, Geir The Svalbard Treaty : from Terra Nullius to Norwegian Sovereignty - Oslo Scandinavian University Press 1995 - 572 p ISBN: 82-00-22713-8 Subjects--Topical Terms: DERECHODONACION JORGE BERGUŅOINVESTIGACIONESSOBERANIA Subjects--Geographic Terms: NORUEGA Dewey Class. No.: J.B. 0196 /