@article{:113,
author = {[null, null, null]},
title = {Phenological Changes in Spring in Last 40 Years in North China},
publisher = {Chinese Journal of Agrometeorology},
year = {2007},
journal = {Chinese Journal of Agrometeorology},
volume = {28},
number = {02},
eid = {113},
pages = {113-117},
keywords = {North China;Phenology in spring;Temperature change},
url = https://zgnyqx.ieda.org.cn/EN/abstract/article_2646.shtml
}