@article{766401,
  author = {Donald McDonald and A. Risley and J. Cupp and K Evenson and J. Ashley},
  title = {Four-Hundredth-Order Harmonic Mixing of Microwave and Infrared Laser Radiation Using a Josephson Junction and a Maser},
  year = {1972},
  number = {20},
  month = {1972-04-01 00:04:00},
  publisher = {Applied Physics Letters},
  language = {en},
}