1. GET3.0 User's manual;Kalaghchy,1991
2. Mean solar radiation for Florida cities;Tiedemann,1977
3. Guide to meteorological instrument and observing practices;WMO,1971
4. Estimation of atmospheric turbidity from the burned traces of the Campbell-Stokes sunshine recorder;Jaenicke;Appl. Opt.,1978
5. The performance of a Campbell-Stokes sunshine recorder compared with a simultaneous record of the normal incidence irradiance;Painter;Meteorol. Mag.,1981