@misc{indiciaeaa2de9c5bbd0,
  title = {Test of charge injection device, phase 1},
  author = {Gradinger, A. and Sayles, M. B. and Peters, D. and Buckley, P.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810012573},
  note = {Source identifier: 19810012573}
}