1. W.W. Schmahl, W. Steurer, Acta Crystallogr. A68, 1–2 (2012)
2. M. Eckert, Acta Crystallogr. A68, 30–39 (2012)
3. K.N. Trueblood, H.-B. Burgi, H. Burzlaff, J.D. Dunitz, C.M. Gramaccioli, H.H. Schulz, U. Shmueli, S.C. Abrahams, Acta Cryst. A52, 770–781 (1996)
4. G. Artioli, in Energy Modelling in Minerals, ed. by C.M. Gramaccioli. EMU Notes in Mineralogy, vol. 42, (Eötvös University Press, Budapest, 2002), Chap. 13, pp. 389–405
5. H.P. Klug, L.E. Alexander, X-ray Diffraction Procedures for Polycrystalline and Amorphous Materials (Wiley, New York, 1974)