@misc{indiciae5243cfe3ddcd,
  title = {First observatory results with an image-sharpening telescope},
  author = {Buffington, A. and Crawford, F. S. and Muller, R. A. and Orth, C. D.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770043330},
  note = {Source identifier: 19770043330}
}