Calama Sainz, R., Tome, M., Sánchez-González, M., Miina., J., Spanos, K. and Palahi, M. 2010. Modelling Non-Wood Forest Products in Europe: a review. Forest Systems. 19, (Sep. 2010), 69-85. DOI:https://doi.org/10.5424/fs/201019S-9324.