Seasonal differences in leaf carbon isotope composition among landscaping species of different life forms in Beijing, China
WANG Yu-Tao, LI Ji-Yue, LIU Ping, CHEN Chong, HE Chun-Xia
Chin J Plant Ecol . 2010, (2): 151 -159 .  DOI: 10.3773/j.issn.1005-264x.2010.02.006