1. 1) SUEZAWA K. Welding Engineering. KYORITSU SHUPPAN Co., Ltd.. (1988)
2. 2) ARAI T. Laser welding processing. Machinist Publishing Co., Ltd.. (1996)
3. 3) The optoronics Co. editorial staff. Practical laser beam machining application handbook. The Optronics Co., Ltd.. (2000)
4. 4) The Japanese Society for Non-Destructive Inspection . Acoustic Emission Testing. The Japanese Society for Non-Destructive Inspection. (2006)
5. 5) AIHARA K. Base and Application of Chaos Time Series Analysis. SANGYO TOSYO Co., Ltd.. (2000)