1. AASHTO standard specification for highway bridges;AASHTO,1996
2. AASHTO standard specification for highway bridges;AASHTO,2002
3. Timber bridges: design, construction, inspection and maintenance;Ritter;EM 7700–8 USDA Forest Service,1990
4. AASHTO LRFD bridge design specifications;AASHTO,2004
5. AASHTO LRFD bridge design specifications;AASHTO,2020