@article{Breuning Madsen_1986, title={Northern ecology and resource management: memorial essays honouring Don Gill./Ed. by Rod Olson, Ross Hastings, Frank Geddes.}, volume={86}, url={https://tidsskrift.dk/geografisktidsskrift/article/view/44365}, journal={Geografisk Tidsskrift}, author={Breuning Madsen, Henrik}, year={1986}, month={jan.} }