Attwood, Thomas Vincent.
Uranium isotope separation in the U.K. during World War II / by Thomas Vincent Attwood.
Peierls, Rudolf E. (Rudolf Ernst), 1907-1995
Simon, F. E. (Francis Eugene), 1893-1956.
Chadwick, James, 1891-1974
Uranium -- Isotopes -- Separation.
Atomic bomb -- Great Britain -- History.
Diffusion.