@article{144336,
  author = {Wysocki and Lewicki and Curl and Tittel and Diehl and Capasso and Troccoli and Hofler and Bour and Corzine and Maulini and Giovannini and Faist},
  title = {Widely tunable mode-hop free external cavity quantum cascade lasers for high resolution spectroscopy and chemical sensing},
  year = {2008},
  journal = {Applied Physics },
  volume = {B},
  pages = {305},
  language = {eng},
}