@misc{indiciaeaace4e6a7844,
  title = {Effects on LDEF exposed copper film and bulk},
  author = {Peters, Palmer N. and Gregory, John C. and Christl, Ligia C. and Raikar, Ganesh N.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920001858},
  note = {Source identifier: 19920001858}
}