1. Highly concentrating Fresnel lenses;Kritchman;Appl. Opt.,1979
2. Photovoltaic concentrator progress;Boes,1982
3. The 25 kW Fresnel lens/photovoltaic concentrator application experiment at Dallas-Fort Worth Airport;O'Neill,1980
4. Optimization of a photovoltaic concentrating collector;Ken Yasuda,1981
5. Autonomous Photovoltaic Converter with linear focusing concentrator;David;Sol. Cells,1981