Phenology Change of Woody Plants during 1998-2008 in Heilongjiang Province
LIU He-Nan, LIU Yu-Lian, ZHU Hong-Rui, YU Hong-Min
Chinese Journal of Agrometeorology . 2012, (01): 34 -40 .  DOI: 10.3969/j.issn.1000-6362.2012.01.005