Soler, A.; Oteiza, P. - In: Renewable Energy 5 (1994) 5, pp. 1517-1519
A number of relations are available to estimate monthly mean diffuse solar radiation on an horizontal surface (D) when the monthly mean daily global radiation (G) and /or the monthly mean daily number of sunshine hours (S) are known. In the present work, taking as a reference 264 values of D...