@misc{indiciae330c2c6ee147,
  title = {Electrically Tunable Terahertz Quantum-Cascade Lasers},
  author = {Gunapala, Sarath and Soidel, Alexander and Mansour, Kamjou},
  year = {2006},
  url = {https://ntrs.nasa.gov/citations/20100014079},
  note = {Source identifier: 20100014079}
}