@misc{indiciae6ea92ac68dcf,
  title = {Mass drivers. 3: Engineering},
  author = {William H. Arnold and Stuart Bowen and Steve Cohen and David Kaplan and Kevin Fine and Margaret Kolm and Henry Kolm and Jonathan Newman and Gerard K. O'Neill and William R. Snow},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19790024061},
  note = {Source identifier: 19790024061}
}