Xue, Jinru, Yeman Fan, Baofeng Su, and Sigfredo Fuentes. 2019. “Assessment of Canopy Vigor Information from Kiwifruit Plants Based on a Digital Surface Model from Unmanned Aerial Vehicle Imagery”. International Journal of Agricultural and Biological Engineering 12 (1):165-71. https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/4634.