1. A solar still augmented with a flat-plate collector;Badran;Desalinisation,2005
2. Performance of water-in-glass evacuated tube solar water heaters;Budihardjo;Solar Energy,2009
3. Cucumo, M., Cucumo, S., De Rosa, A., Ferraro, V., Kaliakatsos, D., Marinelli, V., 2008. Comparison between test methods for parameters determination of flat plate solar collectors in transient conditions. In: 63rd ATI Congress (in Italian).
4. Del Col, D., Padovan, A., 2007. New experimental apparatus for testing the performance of solar collectors. In: 62nd ATI Congress.
5. On the measurements of sky radiation;Drummond;Archiv für Meteorologie Geophysik und Bioklimatologie,1956