1. American Railway Engineering Association, ‘Specification for steel railway bridges’, Manual for Railway Engineering. 1973, Chapter 15.
2. Association of American Railroads, ‘Field investigation of two truss spans on the Southern Pacific Company’, Report No. ER-82. 1978.
3. and , ‘Comparative behaviour of bolted and riveted joints’, Research Report C-109. The Technological Institute, Northwestern University, Evanston, Illinois. 1952.