Kiser, Jim Donald. 2017. „Growth response of coastal Douglas-fir (Pseudotsuga menziesii [Mirbel] Franco) in western Oregon following mechanical commercial thinning damage“. Mathematical and Computational Forestry & Natural-Resource Sciences (MCFNS) 9 (1): 22-29 (8). https://mcfns.com/index.php/Journal/article/view/9.3.