@incollection{Resende20, author = {Cláudio H.B. Resende and José P.G. Carvalho and Afonso C.C. Lemonge and Patricia H. Hallak}, title = {Design Optimization of 3D Steel Frameworks Under Constraints of Natural Frequencies of Vibration}, booktitle = {Truss and Frames}, publisher = {IntechOpen}, address = {Rijeka}, year = {2020}, editor = {Aykut Kentli}, chapter = {3}, doi = {10.5772/intechopen.87022}, url = {https://doi.org/10.5772/intechopen.87022} }