1. Horizontally curved girders-state-of-the-art;McManus;J. Struct. Div., ASCE,1969
2. Analysis of continuous bent beams loaded out of plane by the six moment equations;Patel,1962
3. Influence areas of continuous beams in space;Kamel,1963
4. Analysis of continuous beams loaded out of plane by the carry-over joint-moment method;Childress,1962
5. Analysis of continuous circular beams;Veltuni;J. Am. Concr. Inst.,1950