Santangelo, R., Pugnaghi, S., Corradini, S., Lombroso, L. and Teggi, S. 2003. Continuous photometric observations at ENEA base in Lampedusa to estimate precipitable water. Annals of Geophysics. 46, 2 (Dec. 2003). DOI:https://doi.org/10.4401/ag-3413.