1. To the methods of computing the possible radiation in Italy;Sikov;Trans. Main. Geophys. Obs.,1964
2. An atmospheric model for computing direct and diffuse solar radiation;Barbaro;Solar Energy,1979
3. Stochastic simulation of hourly global radiation sequences;Mustacchi;Solar Energy,1979
4. O. A. Barra and A. Lavagnini, Daily solar radiation frequency distributions and time correlations in the Italian climatic area. Il Nuovo Cimento. To be published.
5. La Conversione Fototermica Dell'energia Solare;Barra,1981