1. Soils of arid regions;Dregne,1976
2. The physics of blown sand and desert dunes;Bagnold,1971
3. Manual of sedimentary petrology, Appleton Century, 1938
4. Web site www.gcrio.esto.or.jp
5. Dust storms. Part I: 1850–1860;Malin;Kansas Histor Quart,1946