@misc{indiciaec7c70d1ab7e9,
  title = {Particle emission from artificial cometary materials},
  author = {Koelzer, Gabriele and Kochan, Hermann and Thiel, Klaus},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930009999},
  note = {Source identifier: 19930009999}
}