1. W. Marshall and S. W. Lovesey, Theory of thermal neutron scattering, Oxford 1971
2. G. E. Bacon, Neutron Diffraction, Third Edition, Oxford 1976
3. C. M. Falco, W. R. Bennett and A. Boufelfel, Metal-Metal Superlattices, in this volume
4. A. J. Freeman, Electronic Structure of Surfaces, Interfaces and Superlattices, in this volume
5. J. M. Comly, T. M. Holden and G. G. Low, J. Phys. C., 1, 458 (1968)