@misc{indiciae21e42bccf494,
  title = {High-Efficiency Inductive Output Tubes Using a Third Harmonic Drive on the Grid},
  author = {Freund, H. P. and Ives, R. Lawrence and Sessions, Walter D.},
  year = {2020},
  doi = {10.1109/tps.2020.3027202},
  url = {https://www.osti.gov/biblio/1774084},
  note = {Source identifier: 1774084}
}