@misc{indiciaed17d43d6ab66,
  title = {Initial Results from the GEM Challenge on the Spacecraft Surface Charging Environment},
  author = {Yu, Yiqun and Rastaetter, Lutz and Jordanova, Vania K. and Zheng, Yihua and Engel, Miles and Fok, Mei-Ching and Kuznetsova, Maria M.},
  year = {2019},
  url = {https://ntrs.nasa.gov/citations/20190026734},
  note = {Source identifier: 20190026734}
}