Steen Hansen, Eric. “A Comparison Between the Lichen Flora of Coastal and Inland Areas in the Julianehåb District, South Greenland”. Meddelelser Om Grønland, vol. 204, no. 3, Jan. 1978, p. 31 pp., 1 plate, 3 tables, 4 maps, doi:10.7146/mog.v204.141511.