@article{ziada_2006,  title={Vorticity shedding and acoustic resonance in tube bundles},  volume={28},  ISSN={1678-5878},  url={https://doi.org/10.1590/S1678-58782006000200008},  DOI={10.1590/S1678-58782006000200008},  number={2},  journal={Journal of the Brazilian Society of Mechanical Sciences and Engineering},  publisher={Associação Brasileira de Engenharia e Ciências Mecânicas - ABCM},  author={Ziada, Samir},  year={2006},  month={Apr},  pages={186–189} }