1. 1) Barrientos, S., y Ward, S., (1990): The 1960 Chile earthquake: inversion for slip distribution from surface deformation, Geophys. J. Int. 103, pág 589-598.
2. 2) Bolt B. A. (1973): Duration of strong ground motion. Proceedings of the 5th WCEE.
3. 3) Bommer J. and Martínez-Pereira A. (1999): The effective duration of earthquake strong motion”. Journal of Earthquake Engineering, 3:2, 127-172.
4. 4) Davis, S. and Karzulovic, J. (1961): Deslizamientos en el valle del rio San Pedro Provincia de Valdivia, Chile. Anales FCFM, 18(18). https://analesfcfm.uchile.cl/index.php/AFCFM/article/view/37150
5. 5) Dobry R, Idriss I, Ng, E. (1978): Duration characteristics of horizontal components of strong motion earthquake records. Bull. Seismological Soc. of America. 68 (5), pp. 1487-1520.