Richardson, E. V., & Lagasse, P. F. (1999). Stream stability and scour at highway bridges: Water resources engineering : compendium of stream stability and scour papers presented at conferences sponsored by the Water Resources Engineering (Hydraulics) Division of the American Society of Civil Engineers, conferences were held at Nashville, Tennessee, July 29-August 2, 1991 ..Memphis, Tennessee, August 3-5, 1998. Reston, VA: American Society of Civil Engineers.

Richardson, Everett V., and Peter F. Lagasse. Stream Stability and Scour At Highway Bridges: Water Resources Engineering : Compendium of Stream Stability and Scour Papers Presented At Conferences Sponsored By the Water Resources Engineering (Hydraulics) Division of the American Society of Civil Engineers, Conferences Were Held At Nashville, Tennessee, July 29-August 2, 1991 ..Memphis, Tennessee, August 3-5, 1998. Reston, VA: American Society of Civil Engineers, 1999.

Richardson, Everett V., and Peter F. Lagasse. Stream Stability and Scour At Highway Bridges: Water Resources Engineering : Compendium of Stream Stability and Scour Papers Presented At Conferences Sponsored By the Water Resources Engineering (Hydraulics) Division of the American Society of Civil Engineers, Conferences Were Held At Nashville, Tennessee, July 29-August 2, 1991 ..Memphis, Tennessee, August 3-5, 1998. Reston, VA: American Society of Civil Engineers, 1999.