1. American Association of State Highway and Transportation Officials. (2007). “AASHTO LRFD bridge design specifications.” 4th Ed. with 2008 Interim Revisions.
2. Anderson D. G. Martin G. R. Lam I. and Wang J. N. (2008). “Seismic analysis and design of retaining walls buried structures slopes and embankment.” NCHRP Rep. No. 611 TRB National Research Council Washington D.C.
3. ATC/MCEER Joint Venture. (2002). “Comprehensive specification for the seismic design of bridges.” NCHRP Rep. No. 472 TRB National Research Council Washington D.C.
4. Katona M. G. Mlynarski M. and McGrath T. J. (2008). “Modernize and upgrade CANDE for analysis and LRFD design of buried culverts.” NCHRP Rep. No. 619 TRB National Research Council Washington D.C.
5. Transportation Research Board (TRB). (2009). “CANDE upgrade project.” CANDE-2007 NCHRP 15-28 ⟨http://www.trb.org/TRBNet/ProjectDisplay.asp?ProjectID=408⟩ (Feb. 8 2010).