Haugerud, R.E. and Nilssen, A.C. 1990. Life history of the reindeer sinus worm, Linguatula arctica (Pentastomida), a prevalent parasite in reindeer calves. Rangifer. 10, 3 (Sep. 1990), 333–334. DOI:https://doi.org/10.7557/2.10.3.875.