1. G. Sala and F. Chenlo. Performance of 1 kW peak concentrator photovoltaic array. Proc. 4th E.C. Photovoltaic Solar Energy Conference, pp. 600–605. Stresa (Italy) 1982.
2. Applied Solar Energy Corporation 15251 East Don Julián Road, P.O. Box 1212, CA 91749 (U.S.A.).
3. G.L. Araújo, F. Chenlo and G. Sala. Low resistance solar cells for the first Spanish concentrating photovoltaic array. Proc. 3rd E.C. Photovoltaic Solar Energy Conference. Cannes (France). 1980.
4. F. Villamajó and G.L. Araujo. Fotosensor de la orientación de los rayos solares. Rev. Mundo Electrónico, Vol. 16, no 101, pp. 119–123 (Spain) 1980.
5. Rohsenow and Hartnett. Handbook of heat transfer. Mc Graw-Hill Book Co. New York (U.S.A. ). 1973.