1) Nordin, C. F. and J. H. Algert: Spectral analysis of sand waves, Proc. ASCE, Journal of the Hydraulics Division, Vol. 92, HY 5, pp. 95-114, 1966.
2) 芦田和男・田中祐一朗: 砂漣に関する実験的研究 (3), 京都大学防災研究所年報, 第10号B, pp. 565-573, 1968.
3) Hino, M.: Equilibrium-range spectra of sand waves formed by flowing water, Journal of Fluid Mechanics, Vol. 34, Part 3, pp. 565-573, 1968.
4) Nordin, C. F. Jr.: Statistical properties of dune profiles, Geological Survey Professional Paper, 562-F, U. S. Government Printing Office, p. 41, 1971.
5) Engelund, F.: On the possibility of formulating a universal spectrum for dunes, Hydraulic Research Progressive Report, Technical University of Denmark, 18, pp. 1-4, 1969.