1. Decision Analysis Guide for Corrugated Metal Culvert Rehabilitation and Replacement Using Trenchless Technology, United States Department of Agriculture. Forest Service, National Technology & Development Program. 7700—Transportation Mgmt. 1177 1810 — SDTDC, December 2012. p. 104.
2. Invert Abrasion Testing of CSP Coatings, National Corrugated Steel Pipe Association, March 2002, p. 19.
3. CSP Durability Guide, National Corrugated Steel Pipe Association. May 2000, p. 6.
4. Albert Molinas and Amanullah Mommandi, Development of New Corrosion_Abrasion Guidelines for Selection of Culvert Pipe Materials: Report No. CDOT-2009-11. Final Report 2009, Colorado Department of Transportation DTD Applied Research and Innovation Branch, p. 122.
5. Pipe Selection Guide, National Corrugated Steel Pipe Association, 2010, p. 10.