1. Morris, H.J. (1972). Wiggert Open Channel Hydraulics, The Ronald Press.
2. Chow, V.T. (1959). Open-Channel Hydraulics, McGraw-Hill Book Company.
3. Oswatitsch, R. (1986). Gas Dynamics, Academic Press Inc.
4. On the Steady State Flow of a Subsonic Stream through Statistically Roughened Wall Ducts;Ortloff;J. Acoust. Soc. Am.,1968
5. Sabersky, R., Acosta, A., and Hauptmann, E. (1975). Fluid Flow, The Macmillan Company.