1. L. Pawlowski, The Science and Engineering of Thermal Spray Coatings (Wiley, England, 1995).
2. H. L. Filmer, J. Hochstrasser, A. R. Nicoll, and S. Rangaswamy, Ceramic Bulletin 69, p. 1955 (1990).
3. T. Ahmed, P. K. Kuo, L. D. Favro, H. J. Jin, P. Chen, and R. L. Thomas, in Review of Progress in QNDE, Vol. 9, eds. D.O. Thompson and D.E. Chimenti (Plenum, New York, 1990), p. 2001.
4. W. Wang and S. I. Rokhlin, in Review of Progress in QNDE, Vol. 9, eds. D.O. Thompson and D.E. Chimenti (Plenum, New York, 1990), p. 1629.
5. R. Lehtiniemi, J. Hartikainen, J. Rantala, J. Varis, and M. Luukkala, in Review of Progress in QNDE, Vol. 11, (1992) p. 441.