@misc{indiciae436efb0d2945,
  title = {Modulation Collimator Fine Grids for HESP},
  author = {Hecht, M. and Ling, J. and Siegel, P. and Kenny, T. and Grunthaner, F.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/20060037802},
  note = {Source identifier: 20060037802}
}