Uranium Enrichment by the Separation Nozzle Process Becker, E. W.; Bier, W.; Ehrfeld, W.; Schubert, K.; Schuette, R.; Seidel, D. 1975. Joint Meeting of the American Nuclear Society and the Atomic Industrial Forum, San Francisco, Calif., November 16-21, 1975 KFK-2235 (November 75). doi:10.5445/IR/270008825