1. Rus, D., Vona, M.: Crystalline robots: Self-reconfiguration with compressible unit modules. Autonomous Robots 10, 107–124 (2001)
2. Jørgensen, M., Østergaard, E., Lund, H.: Modular ATRON: Modules for a self-reconfigurable robot. In: 2004 IEEE/RSJ Int. Conf. on Intelligent. Robots & Systems (IROS), pp. 2068–2073 (2004)
3. Vassilvitskii, S., Kubica, J., Rieffel, E., Suh, J., Yim, M.: On the general reconfiguration problem for expanding cube style modular robots. In: Proceedings - IEEE International Conference on Robotics and Automation, pp. 801–808 (2002)
4. Kotay, K., Rus, D., Vona, M., McGray, C.: Self-reconfiguring robotic molecule. In: Proceedings - IEEE International Conference on Robotics and Automation, pp. 424–431 (1998)
5. Murata, S., Yoshida, E., Kamimura, A., Kurokawa, H., Tomita, K., Kokaji, S.: M-TRAN: Self-reconfigurable modular robotic system. IEEE/ASME Trans. on Mechatronics 7, 431–441 (2002)