@article{article01103da5,
title   = {Unconstrained vector positional shell FEM formulation applied to thin-walled members instability analysis},
author = {Soares, Henrique Barbosa and Paccola, Rodrigo Ribeiro and Coda, Humberto Breves},
year = {2019},
doi = {10.1016/j.tws.2018.12.016},
journal   = {Thin-Walled Structures}
}