1. Matthews, H.(ed.) Surface Wave Filters, Design, Construction and Use (Wiley, New York, 1977).
2. Richardson, B. A. & Kino, G. F. Appl. Phys. Lett. 16, 82 (1970).
3. Nakagawa, Y., Yamamuchi, K. & Shibiyama, K. J. appl. Phys. 45, 2817 (1974).
4. Veith, R., Eberharter, G., Feuerbaum, H. P. & Knauer, U. Proc. IEEE, Ultrasonics Symp., 348 (1980).
5. Tanner, B. K. X-Ray Diffraction Topography (Pergamon, Oxford, 1976).