Martín, D., M. C. García-Vallejo, J. A. Pajares, D. López, and J. J. Diez. “Elm Bark Components and Their Potential Influence on Bark Beetle Feeding”. Forest Systems 13, no. 1 (April 1, 2004): 227-235. Accessed August 6, 2026. https://fs.revistas.csic.es/index.php/fs/article/view/827.