Mutke Regneri, S., L. Díaz Balteiro, and J. Gordo Alonso. “Economic Analysis of Pinus Pinea Plantations in Cultivation Land in Valladolid, Central Spain”. Forest Systems 9, no. 2 (December 1, 2000): 269-303. Accessed August 3, 2026. https://fs.revistas.csic.es/index.php/fs/article/view/667.