@article{nora_borges_2017,  title={Ultrasound pretreatment as an alternative to improve essential oils extraction},  volume={47},  ISSN={0103-8478},  url={https://doi.org/10.1590/0103-8478cr20170173},  DOI={10.1590/0103-8478cr20170173},  number={9},  journal={Ciência Rural},  publisher={Universidade Federal de Santa Maria},  author={Nora, Flávia Michelon Dalla and Borges, Caroline Dellinghausen},  year={2017},  pages={e20170173} }