1. Cover systems for high temperature flat plate solar collectors;Gani;Solar Energy,1979
2. Analysis and performance of an evacuated tubular collector;Ortabasi,1975
3. Analysis and Experimental tests of solar collector arrays based on evacuated tubular solar collectors;Beekley,1975
4. High efficiency solar collectors;Bruno,1975
5. Solar energy collector with evacuated tubes;Speyer;Trans. ASME. J. Engng Power,1965