@misc{indiciae186cbbed6557,
  title = {Monolithically integrated active optical devices},
  author = {Ballantyne, J. and Wagner, D. K. and Kushner, B. and Wojtzcuk, S.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19820008043},
  note = {Source identifier: 19820008043}
}