1. Abbott, M.B. (1966). An introduction to the method of characteristics. American Elsevier: New York.
2. Chaudhry, M.H. (1993). Open channel flow. Prentice Hall: Englewood Cliff.
3. Chow, V.T. (1959). Open channel hydraulics. McGraw Hill: New York.
4. Christodoulou, G.C. (1991). Drop manholes in supercritical pipelines. Journal of Irrigation and Drainage Engineering 117(1): 37–47; 118(5): 832-834.
5. Dick, T.M. und Marsalek, J. (1985). Manhole head losses in drainage hydraulics. 21 IAHR Congress Melbourne, Seminar A6: 123–131.