@misc{indiciae0f5d15f48c57,
  title = {Photovoltaic system test facility electromagnetic interference measurements},
  author = {Johnson, J. A. and Herke, F. P., Jr. and Knapp, W. D.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770015664},
  note = {Source identifier: 19770015664}
}