@misc{indiciaee27bb2607396,
  title = {Bragg crystal polarimeters},
  author = {Silver, E. and Holley, J. and Ziock, K. and Novick, R. and Kaaret, P. and Weisskopf, M. and Elsner, R.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900058889},
  note = {Source identifier: 19900058889}
}