RT Journal Article SR Electronic T1 Equilibrium theory of erosional slopes approached by frequency distribution analysis; Part II JF American Journal of Science JO Am J Sci FD American Journal of Science SP 800 OP 814 DO 10.2475/ajs.248.11.800 VO 248 IS 11 A1 Strahler, Arthur N. YR 1950 UL http://www.ajsonline.org/content/248/11/800.abstract AB