1. The interrelationship and characteristic distribution of direct, diffuse, and total solar radiation;Liu;Solar Energy,1960
2. Estimation of monthly average diffuse radiation;Klein,1978
3. The estimation of monthly mean values of daily total shortwave radiation on vertical and inclined surfaces from sunshine records for latitudes 40°N-40°S;Page,1961
4. A study of Canadian diffuse and total solar radiation data. I. Monthly average daily horizontal radiation;Iqbal;Solar Energy,1979
5. Correlations between diffuse and global insolation for the Pacific Northwest;Vignola;Solar Energy,1984