@misc{indiciae8a34670e1b94,
  title = {SMM X-ray polychromator},
  author = {Strong, Keith T. and Haisch, Bernhard M. and Lemen, James R. and Acton, L. W. and Bawa, H. S. and Claflin, E. S. and Freeland, S. L. and Slater, G. L. and Kemp, D. L. and Linford, G. A.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890015219},
  note = {Source identifier: 19890015219}
}