1. 1) R.D. Strommen, H. Horn and K.R. Wold: FSM - a unique method for monitoring corrosion, pitting, erosion and cracking, NACE Corrosion Paper No.7, 1992.
2. 2) OKU K., ARITA K., KIM Y.-C.: Monitoring of Initiation and Propagation of Fatigue Crack by FSM, JSSC, Steel Construction Engineering, 13-50 (2006), 35-43 (in Japanese).
3. 3) KIM Y.-C., OKU K.: Monitoring of Initiation and Propagation of Fatigue Crack by FSM, Welding Technology, Vol.55 (2007), 73-78 (in Japanese).
4. 4) Edited by the editorial committee of technical dictionary of equipment control: Technical dictionary of equipment control, (2003. 7), 201, 342-345 (in Japanese).