Mengmeng, Du, Noguchi Noboru, Itoh Atsushi, and Shibuya Yukinori. 2017. “Multi-Temporal Monitoring of Wheat Growth by Using Images from Satellite and Unmanned Aerial Vehicle”. International Journal of Agricultural and Biological Engineering 10 (5). Beijing, China:1-13. https://www.ijabe.org/index.php/ijabe/article/view/3180.