1. ACIA (2005). Arctic climate impact assessment. Cambridge: Cambridge University Press.
2. Ahti, T., Hämet-Ahti, L., & Jalas, J. (1968). Vegetation zones and their sections in northwestern Europe. Annales Botanici Fennici, 5(3), 169–211.
3. Arft, A. M., Walker, M. D., Gurevitch, J., Alatalo, J. M., Bret-Harte, M. S., Dale, M., et al. (1999). Responses of tundra plants to experimental warming: meta-analysis of the international tundra experiment. Ecological Monographs, 69(4), 491–511.
4. Bäck, L. (2002). Friluftslivet i de svenska Lapplandsfjällen. [Outdoor life in the Swedish Lapland mountains]. Utmark, 3. [In Swedish.]
5. Bafetta, F., Fattorini, L., & Corona, P. (2011). Estimation of small woodlot and tree row attributes in large-scale forest inventories. Environmental and Ecological Statistics, 18(1), 147–167.