@misc{indiciae8bb4c3780412,
  title = {X-ray polarimeters},
  author = {Silver, E. H. and Novick, R. and Weisskopf, M. C.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19790027941},
  note = {Source identifier: 19790027941}
}