1. Horizontally curved girders-State of the art;MacManus,1969
2. Computer analysis of grillages curved in plan;Sawko;IABSE,1969
3. Analysis of bridge slab curved in plan;Coull;Civ. Engrs and Public Works Review,1965
4. Analysis of curved bridge deck;Coull,1967
5. Theorie des pontes Courbes a'pontres multiples;Ceradini;IABSE,1965