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)

Reflective terahertz imaging at the ENEA FEL facility, Doria, A., Gallerano G.P., Germini M., Giovenale E., Lai A., Messina G., Spassovsky I., Valente F., and d'Aquino Luigi , The Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics, 2005. IRMMW-THz 2005, Volume 1, Williamsburg, VA, p.255-256, (2005)