1. Bauer W. J. and D. C. Woo. 1964. Hydraulic design of depressed curb opening inlets. Highway Research Board. Research Report No. 58.
2. CalTrans (California Department of Transportation) 2005. Highway design manual. http://www.dot.ca.gov/hq/oppd/hdm/hdmtoc.htm (accessed on October 10 2005).
3. Flow Science Inc. 2005. FLOW-3D user's manual version 9.0. 683 Harkle Road Suite A Santa Fe NM 87505.