Yi Lin 0002 Kerstin Wiegand Towards 3D tree spatial pattern analysis: Setting the cornerstone of LiDAR advancing 3D forest structural and spatial ecology. 102506 2021 103 Int. J. Appl. Earth Obs. Geoinformation https://doi.org/10.1016/j.jag.2021.102506 db/journals/aeog/aeog103.html#LinW21