1. Possible cost advantage of a primary paraboloid/secondary hyperboloid tandem solar concentrator;Gray;Solar Energy,1986
2. Performance and cost benefits associated with nonimaging secondary concentrators used in point-focus dish solar thermal applications;O'Gallagher;SERI Subcontractor Report/STR-253-3113,1987
3. Design of nonimaging concentrators as second stages in tandem with image forming first stage concentrators;Winston;Solar Energy,1986
4. Test of a “trumpet” secondary concentrator with a paraboloidal dish primary;O'Gallagher;Solar Energy,1986
5. Optimization of dish collectors with and without secondary concentrators;Jaffe,1982