1. A.W. Hewat, Design of a conventional high-resolution neutron powder diffractometer, Nucl. Inst, and Meth., 127, 361 (1975)
2. Internal Report, RAL-88-103;WIF David,1988
3. A. Guinier, X-ray Diffraction in Crystals, Imperfect Crystals, and Amorphous Bodies, W.H. Freeman and Company, San Francisco, USA (1963).
4. B.E. Warren, X-ray Diffraction, Addison Wesley, Massachusetts, USA (1969).
5. J.M. Cowley, Diffraction Physics, North Holland, Amsterdam (1975).