1. A recent overview of the subject is given in Neutron and Synchrotron Radiation for Condensed Matter Studies, Vol. 1: Theory, Instruments and Methods. HERCULES (Higher Research Course for Users of Large Experimental Systems), Grenoble. Edited by J. Baruchel, J. L. Hodeau, M. S. Lehmann, J. R. Regnard, C. Schlenker. Les Editions de Physique and Springer-Verlag (1993).
2. J. Baruchel, p. 399-409 in ref. 1.
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4. J. Baruchel, M. Schlenker, and W. L. Roth, J. Appl. Phys., 48, 5 (1977).
5. W. L. Roth, J. Appl. Phys., 31, 2000 (1960)