A method for recognition of locust age with few observations based on spectral analysis combined with chemical analysis. - Jie Su; Jingfeng Gu; Xuchao Guo; Chengqi Liu; Xuesong Bo; Xiaoxue Liu; Han Zhou; Jing Cao; Shuhan Lu; Yinwei You; Lin Li 049 (Comput. Electron. Agric., 2019)