Yao, Q.
He, M. M.
Hou, L.
Yan, J. H.
Guo, Q. Y.
Jing, J. X.
Kang, Z. S.
Funding for this research was provided by:
Scientific Research Foundation for Returned Overseas Chellonese Scholars (2015 Qinghai, Hou Lu)
National Natural Science Foundation of China (31360421, 31660513)
National Natural Science Foundation of Qinghai, China (2016-HZ-810)