@misc{indiciaec38bc001418d,
  title = {Tandem-scanning reflected-light microscope.},
  author = {Egger, M. D. and Galambos, R. and Hadravsky, M. and Petran, M.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680048690},
  note = {Source identifier: 19680048690}
}