Martinez Millan J, Ara Lazaro P, Gonzalez Doncel I. Allometric equations with three variables: volume, growth and bark estimationn for the main Spanish tree species. For. syst. [Internet]. 1993Dec.1 [cited 2024Apr.28];2(2):210-28. Available from: https://fs.revistas.csic.es/index.php/fs/article/view/510