@article{castillo_cruchaga_2012,  title={Experimental vibration analysis for a 3D scaled model of a three-floor steel structure},  volume={9},  ISSN={1679-7825},  url={https://doi.org/10.1590/S1679-78252012000500005},  DOI={10.1590/S1679-78252012000500005},  number={5},  journal={Latin American Journal of Solids and Structures},  publisher={Individual owner},  author={Castillo, Ernesto F. and Cruchaga, Marcela A.},  year={2012},  month={Oct},  pages={597–613} }