Measurements of low amounts of precipitable water vapor by millimeter wave spectroscopy: An intercomparison with radiosonde, Raman lidar, and Fourier transform infrared data, Fiorucci, I., Muscari G., Bianchi C., Di Girolamo P., Esposito F., Grieco G., Summa D., Bianchini G., Palchetti L., Cacciani M., et al. , Journal of Geophysical Research Atmospheres, Volume 113, Number 14, (2008)

Imaging in the frequency range between 100 GHz and 1 THz using Compact Free Electron Lasers, Doria, A., Gallerano G.P., Germini M., Giovenale E., Lai A., Messina G., Spassovsky I., and d'Aquino Luigi , IRMMW-THz 2006 - 31st International Conference on Infrared and Millimeter Waves and 14th International Conference on Terahertz Electronics, Shanghai, p.161, (2006)