1. Abdel-Ghaffar, A.M., Rubin, L.I.: Torsional earthquake response of suspension bridges. J. Eng. Mech. 110(10), 1467–1484 (1984)
2. Gupta, I.D., Trifunac, M.D.: A note on contribution of torsional excitation to earthquake response of simple symmetric buildings. Earthq. Eng. Eng. Vib. 7(3), 27–46 (1987)
3. Gupta, I.D., Trifunac, M.D.: A note on computing the contribution of rocking excitation to earthquake response of simple buildings. Bull. Indian Soc. Earthq. Technol. 25(2), 73–89 (1988)
4. Gupta, V.K., Trifunac, M.D.: Response of multistoried buildings to ground translational and torsion during earthquakes. Eur. Earthq. Eng.Earthq. Eng. IV(1), 34–42 (1990)
5. Gupta, V.K., Trifunac, M.D.: Effects of ground rocking on dynamic response of multistoried buildings during earthquakes. Struct. Eng./Earthq. Eng. JSCE 8(2), 43–50 (1991)