1. A new quantitative method of topographic analysis;Chapman;Amer. J. Sci.,1952
2. Quantitative geomorphology of small drainage basins in southern Indiana, Of. Nav. Res. Proj. NR 389-042;Coates,1956
3. Erosional development of streams and their drainage basins; hydrophysical approach to quantitative morphology;Horton;Bul. Geol. Soc. Amer.,1945
4. U. S. Geol. Surv. Water-Supply Paper;Langbein,1947
5. The bifurcation ratio in Horton's law of stream numbers, (abstract);Maxwell;Trans. Amer Geophys. Union,1955