@misc{indiciaed1a4635dd29a,
  title = {Lightweight Composite Core For Curved Composite Mirrors},
  author = {Porter, Christopher C. and Jacoy, Paul J. and Schmitigal, Wesley P.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910000282},
  note = {Source identifier: 19910000282}
}