J. L. Ordóñez-Fernández, M. A. Tacuri-Rivas, F. L. Espinoza-Urgiles, and H. N. Ordóñez-Barreto, “Higher-Order Vibration Modes and Dynamic Base Shear of Irregular Buildings on Moderately Rigid Soils”, I.P, vol. 8, no. 15, pp. 71–116, Jul. 2026.