Nieminen, Mauri. 2013. “Response distances of wild forest reindeer (Rangifer tarandus fennicus Lönnb.) and semi-domestic reindeer (R. t. tarandus L.) to direct provocation by a human on foot/snowshoes”. Rangifer 33 (1):1-15. https://doi.org/10.7557/2.33.1.2614.