1. Fujisawa project data and slurry pipe jacking machine catalogue (2003) KYOWA EXEO Co. Tokyo, Japan
2. Hume pipe jacking method (2002) Designed data, reference book
3. Khazaei, S., Shimada, H., Kawai, T., Yotsumoto, J. and Matsui, K. (2003), Over-cutting and lubricant distribution control by RADAR in large diameter slurry pipe jacking method, International Workshop on Earth Science and Technology, Fukuoka, Japan
4. Kyowa Exeo Co. Ltd. (2003) Control of over-cutting area behind reinforced concrete in Fujisawa project by using RADAR investigation, Report, Japan.