@misc{indiciaec2af3c30e260,
  title = {Infrared upconversion for astronomical applications},
  author = {Abbas, M. M. and Kostiuk, T. and Ogilvie, K. W.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760043747},
  note = {Source identifier: 19760043747}
}