1. in Acoustic Imaging, Vol. 19. (Eds.: ), Plenum, New York 1992, p. 717.
2. in Acoustic Imaging, Vol. 19. (Eds.: ), Plenum, New York 1992, p. 723.
3. in Prbc. 17th Int. Symp. for Testing and Failure Analysis (Eds: ), ASM Int., Materials Park, OH 1991, p. 119.
4. in IEEE Ultrasonics Symp. Proc. (Ed: ), IEEE, Piscataway, NJ 1987, p. 823.
5. in Mechanics of Coatings (Eds.: ), Elsevier, Amsterdam 1990, Vol. 17, p. 315.