Persen, E., E. Jacobsen, D. Lenvik, and S. Skjenneberg. “Weight Development and Survival Rate of Reindeer Calves Treated Against Oedemagena Tarandi L and Cephenemyia Trompe L”. Rangifer, vol. 2, no. 1, May 1982, pp. 39-49, doi:10.7557/2.2.1.423.