1. Atlas Climatique du Liban,1976
2. A study of solar radiation data in Lebanon;Hakim,1975
3. An agenda paper on energy in Lebanon;Sfeir,1978
4. Calculations of monthly average insolation on tilted surfaces;Klein;Solar Energy,1977
5. World distribution of solar energy;Löf;University of Wisconsin, Madison, Engng Expt. Station Rep.,1966