Anderson, John R., and Arne C. Nilssen. “The Method by Which Cephenemyia Trompe (Modeer) Larvae Invade Reindeer (Rangifer Tarandus)”. Rangifer, vol. 10, no. 3, Sept. 1990, pp. 291-7, https://doi.org/10.7557/2.10.3.870.