@inproceedings{inproceedingsa839206b,
title   = {Code to the analysis of bars systems (trusses) considering nonlinear behaviour},
author = {Rubert, J B and Proenca, S P B},
year = {1993},
publisher = {Coppe/Ufrj},
booktitle   = {World Congress on Optimal Design on Strucutral Systems}
}