@article{Martinka_1992, title={Conserving the natural integrity of mountain parks: Lessons from Glacier National Park, Montana}, volume={1}, url={https://om.vuvb.uniza.sk/index.php/OM/article/view/8}, number={1}, journal={Oecologia Montana}, author={Martinka, C.J.}, year={1992}, month={Jun.}, pages={41-48}