黄河中游黄土丘陵区的沟谷类型

陈永宗

THE CLASSIFICATION OF GULLY IN HILLY LOESS REGION IN THE MIDDLE REACHES OF THE YELLOW RIVER

Chen Yongzong

地理科学 . 1984, (4): 321 -327 . DOI: 10.13249/j.cnki.sgs.1984.04.321