@misc{indiciae1ef53def0a5d,
  title = {Volcanic hail detected with GPS: The 2011 eruption of Grímsvötn Volcano, Iceland},
  author = {Ronni Grapenthin and Sigrun Hreinsdottir and Alexa R. Van Eaton},
  year = {2018},
  doi = {10.1029/2018gl080317},
  url = {https://pubs.usgs.gov/publication/70219471},
  note = {Source identifier: 70219471}
}