"Para Estructuras mas seguras"
Referencia #1
Vielma, J. C., Barbat, A. H. y Oller, S. (2009). Nonlinear structural analysis. Application to evaluating the seismic safety. Camilleri, M. (Ed) in Structural Analysis, Nova Science Publishers. New York. USA. ISBN: 978-1-61668-987-2.