Katsuyoshi Kawaguchi, Kenji Hirata, Hitoshi Mikada, Yuka Kaiho, Ryoichi Iwase; An expandable deep seafloor monitoring system for earthquake and tsunami observation network, Proceedings of MTS/IEEE OCEANS'00 Conference, pp. 1719 - 1722, September 2000.

Noriyuki Fujiwara, Hiroyasu Momma, Katsuyoshi Kawaguchi, Ryoichi Iwase, Hajimu Kinoshita; Comprehensive deep seafloor monitoring system in JAMSTEC, Proceedings of the 1998 International Symposium on Underwater Technology, pp. 383 - 388, April 1998.

H. Momma, R. Iwase, K. Kawaguchi, Y. Shirasaki, J. Kasahara; The VENUS project--Instrumentation and underwater work system, Proceedings of the 1998 International Symposium on Underwater Technology, pp. 437 - 441, April 1998.

Katsuyoshi Kawaguchi, Hiroyasu Momma, Ryoichi Iwase; VENUS project--Submarine cable recovery system, Proceedings of the 1998 International Symposium on Underwater Technology, pp. 448 - 452, April 1998.

Katsuyoshi Kawaguchi, Hiroyasu Momma, Ryoichi Iwase; Submarine cable handling system for deep underwater vehicles, Proceedings of IEEE OCEANS'98 Conference, pp. 1233 - 1237, September 1998.

Hiroyasu Momma, Noriyuki Fujiwara, Katsuyoshi Kawaguchi, Ryoichi Iwase, Shinichiro Suzuki, Hajimu Kinoshita; Monitoring system for submarine earthquakes and deep sea environment, Proceedings of MTS/IEEE OCEANS'97 Conference, pp. 1453 - 1459, September 1997.