@misc{indiciae8be38f00f6f8,
  title = {A large-area modular X-ray focusing system.},
  author = {Kantor, F. W. and Novick, R. and Wing, T. E.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680046996},
  note = {Source identifier: 19680046996}
}