1. Kawaguchi Y, Yoshida I, Kurumatani H, Kikuta T, Yamada Y, Internal pipe inspection robot. In: Proceedings of 1995 IEEE international conference on robotics and automation
2. Ryew SM, Baik SH, Ryu SW, Jung KM, Roh SG, Choi HR (2000) In-pipe inspection robot system with active steering mechanism. In: Proceedings. 2000 IEEE/RSJ international conference on intelligent robots and systems
3. Nassiraei AAF, Kawamura Y, Ahrary A, Mikuriya Y, Ishii K (2007) Concept and design of a fully autonomous sewer pipe inspection mobile robot “KANTARO”. In: Proceedings 2007 IEEE international conference on robotics and automation
4. Suzumori K, Miyagawa T, Kimura M, Hasegawa Y (1999) Micro inspection robot for 1-in pipes. In: IEEE/ASME transactions on mechatronics
5. Zhang Y, Yan G (2007) In-pipe inspection robot with active pipe-diameter adaptability and automatic tractive force adjusting. Mech Mach Theory 42