ZUPAN, Dejan in SAJE, Miran, 2004, Rotational invariants in finite element formulation of three-dimensional beam theories. Computers & structures [na spletu]. 2004. Vol. 82, no. 82, p. 2027–2040. [Dostopano 24 marec 2025]. DOI 10.1016/j.compstruc.2004.03.069. Pridobljeno s: https://repozitorij.uni-lj.si/IzpisGradiva.php?lang=slv&id=32159