流域地貌演化的不同阶段沟壑密度与切割深度关系研究
张丽萍, 马志正
THE RESEARCH ON THE RELATION BETWEEN GULLYDENSITY AND CUTTING DEPTH IN DEFFERENT DRAINAGE LANDFORM EVOLUTION PERIODS
Zhang Liping, Ma Zhizheng
地理研究 . 1998, (3): 273 -278 .  DOI: 10.11821/yj1998030008