Murphy, Glen E., and Mauricio A. Acuna. “Use of Near Infrared Spectroscopy and Multivariate Analysis to Predict Wood Density of Douglas Fir”. Revista Bosque 28, no. 3 (December 31, 2007): 187–197. Accessed September 22, 2024. https://revistabosque.org/index.php/bosque/article/view/930.