1. Drainage-basin characteristics
2. EROSIONAL DEVELOPMENT OF STREAMS AND THEIR DRAINAGE BASINS; HYDROPHYSICAL APPROACH TO QUANTITATIVE MORPHOLOGY
3. V. C. Miller, “A quantitative geomorphic study of drainage basin characteristics on the Clinch Mountain area Virginia and Tennessee,” Project NR 389-402. In: Technical report 3 Department of Geology, ONR, Columbia University, New York, (1953).
4. G. H. Smith, “The Morphometry of Ohio The Average Slope of the Land,” Annals of the Association of American Geographers, vol. 29, pp. 94, (1950).
5. Quantitative analysis of watershed geomorphology