Ravaro, Marco, Luigi Consolino, and Saverio Bartalini. “Spectroscopy and Frequency Metrology With Terahertz Radiation”. Il Colle di Galileo 4, no. 2 (December 21, 2015): 49–53. Accessed November 24, 2024. https://oajournals.fupress.net/index.php/cdg/article/view/8687.