The influence of increasing temperatures on highland barley yields and on the maximum cultivation altitude on the Tibetan Plateau oleh Chun-Yi Wang, Yan-Ling Song, Hans W. Linderholm, Yong Li, Bo-Ting Zhang, Jun Du, Feng-Xia Li, Ming-Tian Wang, Run-Yuan Wang, Yong Zhu, Jin-Xia Xu, Yan-Jun Guo, Deliang Chen