1. Koester, L.: Neutron Physics. In: Springer Tracts in Modern Physics. Vol. 80, p. 1. Berlin, Heidelberg, New York: Springer 1977
2. Klein, A.G., Werner, S.A.: Rep. Prog. Phys.46, 259 (1983)
3. Hughes, D.J.: Neutron optics. New York: Interscience 1954
4. Bacon, G.E.: Neutron diffraction. 3rd Edn. Oxford: Clarendon Press 1975
5. Kirkwood, J.G.: J. Chem. Phys.4, 592 (1936)