@misc{indiciae619d77f3564b,
  title = {Interstellar bullets - H2O masers and Herbig-Haro objects},
  author = {Norman, C. and Silk, J.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790041790},
  note = {Source identifier: 19790041790}
}