S
[Str52] Arthur N. Strahler. Hypsometric (area-altitude) analysis of erosional topography. Geological Society of America Bulletin 63(11):1117-1142. Geological Society of America, November 1952. 
@article{gsab63(11)-Str,
  author =              {Strahler, Arthur N.},
  title =               {Hypsometric (area-altitude) analysis of erosional
                         topography},
  publisher =           {Geological Society of America},
  journal =             {Geological Society of America Bulletin},
  volume =              {63},
  number =              {11},
  pages =               {1117-1142},
  year =                {1952},
  month =               nov,
  doi =                 {10.1130/0016-7606(1952)63[1117:HAAOET]2.0.CO;2},
}
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