1. H. Blatt, G. Middleton, and R. Murray (1980 ) Origin of Sedimentary Rocks , 2nd edn . Prentice-Hall, New Jersey, 782 pp.
2. Models of bed formation
3. G. M. Friedman, J. E. Sanders, and D. C. Kopaska-Merkel (1992 ) Principles of Sedimentary Deposits -Stratigraphy and Sedimentology . Macmillan, New York, 717 pp.
4. Mathematical analysis to discriminate two types of sandstone-shale alternations