Intra-annual variation in δ 13C from tree rings of Pinus sylvestris var. mongolica and its response to climatic factors
SHANG Zhi-Yuan, WANG Jian, CUI Ming-Xing, CHEN Zhen-Ju
Chin J Plant Ecol . 2012, (12): 1256 -1267 .  DOI: 10.3724/SP.J.1258.2012.01256