Olvmo, M. (1989). Meltwater canyons in Sweden: A study of canyons of the "kursu"-, "skura"- and "grav"-type. University of Göteborg, Dept. of Physical Geography.
Lua i Stíl Chicago (17ú heag.)Olvmo, Mats. Meltwater Canyons in Sweden: A Study of Canyons of the "Kursu"-, "Skura"- and "Grav"-type. Göteborg, Sweden: University of Göteborg, Dept. of Physical Geography, 1989.
Lua MLA (8ú heag.)Olvmo, Mats. Meltwater Canyons in Sweden: A Study of Canyons of the "Kursu"-, "Skura"- and "Grav"-type. University of Göteborg, Dept. of Physical Geography, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.