1. Das H, Bao X, Bar-Cohen Y, et al. Robot manipulator technologies for planetary exploration. In: Wereley N M, ed. Proceedings of the 6th Annual International Symposium on Smart Structures and Materials, 1999 Mar 01–04, Newport Beach. Bellingham: Society of Photo-Optical Instrumentation Engineers, 1999. 175–182
2. Ellery A. Environment-robot interaction-the basis for mobility in planetary micro-rovers. Rob Autom Syst, 2005, 51: 29–39
3. Hetherington J. Applicability of the MMP concept in specifying off-road mobility for wheeled and tracked vehicles. J Terramech, 2001, 38: 63–70
4. Bertrand R, Bruckner J, van Winnendael M. The Nanokhod micro-rover—A versatile platform for surface exploration of celestial bodies. In: Foing B H, Perry M, eds. 4th International Conference on Exploration and Utilisation of the Moon (ICEUM 4), 2000 Jul 10–14, Noordwijk. Noordwijk: ESA PUBLICATIONS DIVISION C/O ESTEC, 2000. 149–154
5. Kubota T, Tada K, Kunii Y. Smart manipulator actuated by ultra-sonic motors for lunar exploration. In: Proceedings of IEEE International Conference on Robotics and Automation: The Half-Day Workshop on: Towards Autonomous Agriculture of Tomorrow, 2008 May 19–23, Pasadena. Piscataway: Institute of Electrical and Electronics Engineers Inc, 2008. 3576–3581