1. Surface Acoustic Wave Devices and their Signal Processing Applications;Campbell,1989
2. Proceedings IEEE Ultrasonics Symposium;Yamanouchi,1989
3. Proceedings IEEE Ultrasonics Symposium;Nakahata,1992
4. Proceedings IEEE Ultrasonics Symposium;Nakahata,1995
5. Proceedings IEEE Ultrasonics Symposium;Fujii,1997