Changes of spring phenodates for the past 150 years over the Yangtze River Delta
ZHENG Jingyun, ZHONG Shuying, GE Quansheng, HAO Zhixin, ZHANG Xuezhen, MA Xiang
Journal of Geographical Sciences . 2013, (1): 31 -44 .  DOI: 10.1007/s11442-013-0991-0