@article{olsthoorn2017three</br>
  title={Three-dimensional visualization of the interaction of a vortex ring with a stratified interface}</br>
  author={Olsthoorn</br> J. and Dalziel</br> S. B.}</br>
  journal={J. Fluid Mech}</br>
  volume={820}</br>
  pages={549--579}</br>
  year={2017}</br>
  publisher={Cambridge University Press}</br>
  URL = {https://doi.org/10.1017/jfm.2017.215}
}