Campsie J.; Rasmussen M. H.; Hansen N.; Liebe C. J.; Laursen J.; Brochwicz-Levinski W.; Johnson L. K-Ar ages of Basaltic rocks collected during a traverse of the Frans Josef Land Archipelago (1895-1896). Polar Research, v. 6, n. 2, p. 173-177, 12 Jan. 1998.