Lopez, Ignacio, Sigfredo Ortuño, Ángel Julián Martín, and Carmen Fullana. “Estimating the Optimal Rotation Age of Pinus Nigra in the Spanish Iberian System Applying Discrete Optimal Control”. Forest Systems 19, no. 3 (October 5, 2010): 306-314. Accessed May 3, 2024. https://fs.revistas.csic.es/index.php/fs/article/view/1454.