@article{Häyrynen_Raivo_2004, title={Preface}, volume={182}, url={https://fennia.journal.fi/article/view/3742}, abstractNote={-}, number={1}, journal={Fennia - International Journal of Geography}, author={Häyrynen, Maunu and Raivo, Petri J.}, year={2004}, month={Jan.}, pages={2} }