1. Horizontally curved members: An approximate method of design;Toppler J. F.;Concrete,1968
2. Witecki A. A. Simplified method for the analysis of torsional moment as an effect of horizontally curved multispan continuous bridge, First Int. Symp. on Concrete Bridge Design, ACI spl. Pub . SP-23, 1969, pp. 193–204.
3. Analysis of curved bridge decks;Coull A.;Proc. Inst. Civ. Eng.,1967
4. The finite strip method in the analysis of elastic plates with two opposite simply supported ends;Cheung Y. K.;Inst. Civ. Eng.,1968
5. Annular and circular sector finite elements for plate bending;Olson M. D.;Inst. J. Mech. Sci.,1970