@misc{indiciaedefca4e282df,
  title = {Early results from Magsat},
  author = {Langel, R. A. and Estes, R. H. and Mayhew, M. A.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810064541},
  note = {Source identifier: 19810064541}
}