Cottrell, William B.; Copenhaver, C. M.; Culver, H. N.; Fontana, M. H.; Kelleghan, V. J. & Samuels, G. The HGCR-1, a Design Study of a Nuclear Power Station Employing a High-Temperature Gas-Cooled Reactor with Graphite-UO₂ Fuel Elements. Oak Ridge, Tennessee. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc100279/. Accessed May 30, 2015.
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