REFERENCES
- Hokion , R.E. 1945 . “ Erosional development of streams and their drainage basins, hydrophysical approach to quantitative morphology: ” . In Gaol. Soc. Am. Bull., v. 56, no. 3 275 – 370 .
- Rzhanitsyn , N.A. 1964 . Morphological and hydrological regularities of the structure of the river net: Translated from Russian by D. 380 Washington : R. Krimgold, U.S. Govt. Printing Office (for U.S. Dept. Agriculture) .
- Schfidegger , A.E. 1965 . “ The algebra of stream-order numbers: ” . In U.S. Geol Survey Prof. Paper, 525B, pp. B187-B189.
- Strahlur , A.N. 1957 . “ Quantitative analysis of watershed geomorphology: ” . In Am. Geophys. Union Trans., v, 38, no. 6 913 – 920 .