Vastaranta, Mikko, and et al. “Airborne Laser Scanning Outperforms the Alternative 3D Techniques in Capturing Variation in Tree Height and Forest Density in Southern Boreal Forests”. Baltic Forestry 24, no. 2 (December 31, 2018): 268–277. Accessed April 29, 2024. https://balticforestryojs.lammc.lt/ojs/index.php/BF/article/view/226.