@article{gonçalves_oliveira_santos junior_2021,  title={Comparison of Ultrasonic Methods for Detecting Defects in Unidirectional Composite Material},  volume={24},  ISSN={1516-1439},  url={https://doi.org/10.1590/1980-5373-MR-2021-0323},  DOI={10.1590/1980-5373-MR-2021-0323},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Gonçalves, Vanessa Vieira and Oliveira, Daniel Marcus Giglioli de and Santos Junior, Auteliano Antunes dos},  year={2021},  pages={e20210323} }