Moe, S.R., Holand, Øystein, Colman, J.E. and Reimers, E. 1999. Reindeer (Rangifer tarandus) response to feces and urine from sheep (Ovis aries) and reindeer. Rangifer. 19, 2 (Apr. 1999), 55–60. DOI:https://doi.org/10.7557/2.19.2.280.