1. L. V. PIPREE and M. M. KOBLOVA,Radio. Engng Electron. Phys. (USA) 12 (1967) 503.
2. C. C. DESAI and A. N. HANCHINAL,Surface Technol. 25 (1985) 69.
3. C. C. DESAI and A. H. PATEL,Cryst. Res. Technol. in press.
4. B. D. CULLITY, “Elements of X-ray Diffraction” (Addison-Wesley, USA, 1978) 195 pp.