@misc{indiciae6b134a53ae2a,
  title = {Space program: Space debris a potential threat to Space Station and shuttle},
  author = {Schwartz, Stephen A. and Beers, Ronald W. and Phillips, Colleen M. and Ramos, Yvette},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900016708},
  note = {Source identifier: 19900016708}
}