(en) Ole Bennike, Naja Mikkelsen, Rene Forsberg et Lars Hedenäs, « Tuppiap Qeqertaa (Tobias Island): a newly discovered island off northeast Greenland », Polar Record, Cambridge University Press, vol. 42, no 4, , p. 309-314 (ISSN0032-2474). DOI10.1017/S003224740600550X.
(en) Ole Bennike, Naja Mikkelsen, Rene Forsberg et Lars Hedenäs, « Tuppiap Qeqertaa (Tobias Island): a newly discovered island off northeast Greenland », Polar Record, Cambridge University Press, vol. 42, no 4, , p. 309-314 (ISSN0032-2474). DOI10.1017/S003224740600550X.