1. Base-age invariant polymorphic site curves;Bailey;For. Sci.,1974
2. Quantitative laws in metabolism and growth;Bertalanffy;Q. Rev. Biol.,1957
3. Sicegar: R package for sigmoidal and double-sigmoidal curve fitting;Caglar;PeerJ,2018
4. Calama R., Miina, J., de-Miguel, S., Bonet, J. A., Mounir, F., Tomé, M., Martínez-Jaúregui, M., Herruzo, C., Peltola, R., Salo, K., Kurttila M., Hernández-Rodríguez, M., Martín-Pinto, P., Sánchez-González, M., 2020. Data & models: importance of assessing and forecasting non-wood forest products in Europe, in: Vacik, H., Hale, M., Spiecker, H., Pettenella, D. Tomé, M., Non-Wood Forest Products in Europe. Ecology and management of mushrooms, tree products, understory plants and animal products. Outcomes of the COST Action FP1203 on European NWFPs, BoD, Norderstedt, pp. 43-78.
5. Modelling Non-Wood Forest Products in Europe: a review;Calama Sainz;Forest Syst.,2011