@article{koroishi_cavalini jr._lima_steffen jr._2012,  title={Stochastic modeling of flexible rotors},  volume={34},  ISSN={1678-5878},  url={https://doi.org/10.1590/S1678-58782012000600006},  DOI={10.1590/S1678-58782012000600006},  number={spe2},  journal={Journal of the Brazilian Society of Mechanical Sciences and Engineering},  publisher={Associação Brasileira de Engenharia e Ciências Mecânicas - ABCM},  author={Koroishi, Edson H. and Cavalini Jr., Aldemir Ap. and Lima, Antônio M. G. de and Steffen Jr., Valder},  year={2012},  pages={574–583} }