清代华北蝗灾时空分布及其与水旱灾害的关系*
萧凌波
Spatial-temporal distribution of locust plague and its relationship with flood/drought in North China during the Qing Dynasty
Xiao Ling-Bo
古地理学报 . 2018, (6): 1113 -1122 .  DOI: 10.7605/gdlxb.2018.06.082