@inproceedings{inproceedingsed14851b,
title   = {Hybrid algorithms based on particle swarm optimization and the powell method for global optimization},
author = {Beck, André Teófilo and Gomes, Wellison José de Santana},
year = {2011},
publisher = {Civil-Comp Press},
booktitle   = {International Conference on Soft Computing Technology in Civil, Structural and Environmental Engineering}
}