NASA technical note TN (series). D-5859. Geometric properties of modified whirling-membrane solar-energy concentrator [with list of references]; by John M. Jerke and Atwood R. Heath, jr.
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Geometric properties of modified whirling-membrane solar-energy concentrator [with list of references]; by John M. Jerke and Atwood R. Heath, jr.
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NASA technical note TN (series). D-5859. Geometric properties of modified whirling-membrane solar-energy concentrator [with list of references]; by John M. Jerke and Atwood R. Heath, jr.