1. The Physics of Blown Sand and Desert Dunes;Bagnold,1941
2. Kelso dunes, Mojave desert, California;Sharp;Geological Society of America Bulletin,1966
3. An introduction to the study of global sand seas;McKee,1979
4. H.T.U. Smith, Eolian geomorphology, Wind direction and climatic change in North Africa, Bedford, MA, US Air Force Geophys. Research Directorate, 1968
5. Dune forms and wind regime;Fryberger,1979