@inproceedings{inproceedingsd0f35d88, title = {Vibrations of a portal frame excited by a non-ideal motor}, author = {Brasil, Reyolando Manoel Lopes Rebello da Fonseca and Mook, Dean T}, year = {1994}, publisher = {Virginia Polytechnic Institute and State University}, booktitle = {Conference on Nonlinear Vibrations, Stability, and Dynamics of Structures} }