Definition of Extreme Low-temperature Events over Northeastern China in Summer and the Related Cold Air Path
LI Shang-feng, SUN Qin-hong, YAO Yao-xian, LIAN Yi
SCIENTIA GEOGRAPHICA SINICA . 2014, (2): 246 -256 .  DOI: 10.13249/j.cnki.sgs.2014.02.246