Institution of Chemical Engineers
J. M. Pirie

Los, J. H, & Velds, C. A. (1964). Preconcentration of impurities by thermal diffusion in the helium purification flow of the dragon reactor. In J. M Pirie (Ed.), Proceedings of the Symposium on the Less Common Means of Separation, 24-26 April, 1963 (pp. 86–93). Institution of Chemical Engineers.