@misc{indiciaef441a09fa762,
  title = {High resolution dark field microscopy using a philips 100b electron microscope.},
  author = {Cinquina, L. and Meakin, J. D.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19650042014},
  note = {Source identifier: 19650042014}
}