1. H. Azima, NXT up against wall, Audio Magazine (1998) 34–41.
2. Development of panel loudspeaker system;Bai;Journal of the Acoustical Society of America,2001
3. Sound, Structure, and Their Interaction;Junger,1986
4. Sound and Structural Vibration;Fahy,1985
5. Structure-born Sound;Cremer,1988