„Second-Log Branch Size Comparison Between Even-aged and Multiaged Douglas-fir Stands in Coastal Northern California“, Math. Comput. For. Nat. Res. Sci., Bd. 12, Nr. 1, S. 50–61(12), Apr. 2020, Zugegriffen: Sep. 11, 2026. Verfügbar unter: https://tmp.mcfns.com/index.php/Journal/article/view/12.4