1. R. C. Tucker Jr, in ?Deposition technologies for films and coatings?, edited by R. F. Bunshah (Noyes Publication, New Jersey, USA, 1982).
2. R. L. Cox, D. P. Almond andH. Reiter,Ultrasonics 19 (1981) 17.
3. D. R. Green,J. Appl. Phys. 37 (1966) 3095.
4. M. V. Luukkala, ?Scanned image microscopy?, edited by E. A. Ash (Academic Press, London, 1980) p. 273.
5. G. Busse andP. Eyerer,Appl. Phys. Lett. 43 (1983) 535.