@conference{7617,
  author = {C. Pellerin and R. Stencel},
  title = {NASA astrophysics - Optical systems to explore the universe},
  year = {1983},
  publisher = {Bellingham, WA, SPIE - The International Society for Optical Engineering},
  address = {Los Alamos and Santa Fe, NM},
  note = {JILA Pub. 2692},
}