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3. Bohr, A.: Proc. Int. Conf. on Peaceful Uses of Atom Energy, Geneva, 1955. Vol. 4, p. 151. New York: United Nations 1956
4. Salor, V.L.: ibid. p. 192
5. Lynn, J.E.: The Theory of Neutron Resonance Reactions. Oxford: Clarendon Press 1968