Liu, Zhunqiao, Hu, Haibo, Yu, Hua, Yang, Xi, Yang, Hualei, Ruan, Cunxin, Wang, Yan, and Tang, Jianwu. 2015. “Relationship between leaf physiologic traits and canopy color indices during the leaf expansion period in an oak forest”. Ecosphere, 6, 12, Pp. 1–9.