@article{olsthoorn2018vortex</br>
  title={Vortex-ring-induced stratified mixing: mixing model}</br>
  author={Olsthoorn</br> J. and Dalziel</br> S. B.}</br>
  journal={J. of Fluid Mech}</br>
  volume={837}</br>
  pages={129--146}</br>
  year={2018}</br>
  publisher={Cambridge University Press}</br>
  URL = {https://doi.org/10.1017/jfm.2017.846}
}