3. References
[Oñate_1995] [Malvern_1969] [Hopkins_2005] [barbero_2018] [BV_2017] [Rastellini_2007] [Martínez_2008] [Simo_1987] [Chaves_2003] [Chaves_2013] [Oliver_1990] [Crisfield_2003] [Simo_1998] [Bathe_2014] [Crisfield_2991] [Ortigosa_2011] [Gutiérrez_2014]