@misc{indiciaefcec2048d372,
  title = {High Electron Mobility Transistor Structures on Sapphire Substrates Using CMOS Compatible Processing Techniques},
  author = {Mueller, Carl and Alterovitz, Samuel and Croke, Edward and Ponchak, George},
  year = {2004},
  url = {https://ntrs.nasa.gov/citations/20050203801},
  note = {Source identifier: 20050203801}
}