Ihalainen, M., Alho, J., Kolehmainen, O. and Pukkala, T. 2002. Models for bilberry and cowberry yields in Forests. Forest Ecology and Management 157: 15-22.
Bonet, J.A., Pukkala, T., Fischer, C.R., Palahí, M., de Aragón, J.M. and Colinas, C. 2008. Empirical models for predicting the yield of wild mushrooms in Scots pine forests in the Central Pyrenees. Annals of Forest Science 65(2)
Pukkala, T., Kellomäki, S. & Mustonen, E. 1988. Prediction of the amenity of a tree stand. Scandinavian Journal of Forest Research 3: 533–544.
Kangas, J., Karsikko, J., Laasonen, L. and Pukkala, T. 1993. A Method for estimating habitat suitability on the basis of expertise. Silva Fennica 27(4): 259–268.