1. Diehl T. H. (1997). "Potential drift accumulation at bridges."Publication No. FHWARD-97-028 U.S. Department of Transportation Federal Highway Administration Washington D.C.
2. Froehlich D. C. (2003). "User's manual for FESWMS FST2DH - Two-dimensional depth-averaged flow and sediment transport model - Release 3." Publication No.FHWA-RD-03-053 Federal Highway Administration Washington D.C.
3. Maximum Impact Force of Woody Debris on Floodplain Structures
4. Field measurements of drag coefficients for model large woody debris
5. Lagasse P. F. Clopper P. E. Zevenbergen L. W. Spitz W. J. and Girard L. G. (2010). "Effects of debris on bridge pier scour." NCHRP Report 653 National Cooperative Highway Research Program Transportation Research Board Washington D.C.