1. History of the stiffness method;Samuelsson;Internat J Numer Methods Engrg,2006
2. A historical outline of matrix structural analysis: a play in three acts;Felippa;Comput Struct,2001
3. Matrix analysis of structures SI version;Kassimali,2012
4. Structural analysis: A unified classical and matrix approach;Ghali,2017
5. Análisis estructural - Métodos clásicos y matriciales;Molina-Villegas,2021