Folstad, I. and Nilssen, A. C. (1990) “Abundance of warble fly larvae Hypoderma tarandi (L.) (Diptera:oestridae) in reindeer Rangifer tarandus tarandus (L.) and its relation to reindeer postcalving migration”, Rangifer, 10(3), p. 239. doi: 10.7557/2.10.3.862.