@article{Heiskari_Nieminen_1990, title={Maintaining reindeer on roughage diet during winter}, volume={10}, url={https://septentrio.uit.no/index.php/rangifer/article/view/938}, DOI={10.7557/2.10.5.938}, number={5}, journal={Rangifer}, author={Heiskari, Ulla and Nieminen, Mauri}, year={1990}, month={Sep.}, pages={14} }