United States. National Aeronautics and Space Administration. (1976). Standardized performance tests of collectors of solar thermal energy - prototype moderately concentrating grooved collectors. Lewis Research Center.
Chicago Style (17th ed.) CitationUnited States. National Aeronautics and Space Administration. Standardized Performance Tests of Collectors of Solar Thermal Energy - Prototype Moderately Concentrating Grooved Collectors. Cleveland, Ohio: Lewis Research Center, 1976.
MLA (9th ed.) CitationUnited States. National Aeronautics and Space Administration. Standardized Performance Tests of Collectors of Solar Thermal Energy - Prototype Moderately Concentrating Grooved Collectors. Lewis Research Center, 1976.
Warning: These citations may not always be 100% accurate.