Wang, Xue, Tiemin Ma, Tao Yang, Ping Song, Zhengguang Chen, and Huan Xie. 2019. “Monitoring Model for Predicting Maize Grain Moisture at the Filling Stage Using NIRS and a Small Sample Size”. International Journal of Agricultural and Biological Engineering 12 (2). Beijing, China:132-40. https://ijabe.org/index.php/ijabe/article/view/4708.