Plant food sources and stone tools" function at the site of Shunshanji based on starch grain analysis - Yang, Yuzhang; Li, Weiya; Yao, Ling; Cheng, Zhijie; Luo, Wuhong; Zhang, Juzhong; Lin, Liugen; Gan, Huiyuan; Yan, Long (Science China-Earth Sciences, 2016)