[1] B. Tondu, R. Emirkhanian, S. Mathe, A. Ricard, A Ph-Activated Artificial Muscle Using the Mckibben-Type Braided Structure, Sensors and Actuators A: Physical, vol. 150 n. 1, March 2009, pp. 124-130.
[2] K. C. Wickramatunge, T. Leephakpreeda, Study on Mechanical Behaviors of Pneumatic Artificial Muscle, International Journal of Engineering Science, vol. 48 n. 2, February 2010, pp. 188-198.
[3] K. Takashima, J. Rossiter, T. Mukai, Mckibben Artificial Muscle Using Shape-Memory Polymer, Sensors and Actuators A: Physical, vol. 164 n. 1–2, November–December 2010, pp. 116-124.
[4] J. Kim, S. Yun, Z. Ounaies, Discovery of Cellulose as a Smart Material, Macromolecules, vol. 39 n. 12, May 2006, pp 4202–4206.
[5] T. Ross Kelly, Book Review of Intelligent Materials, Journal of the American Chemical Society , vol. 130 n. 20, April 2008, pp. 6651–6652.
[6] B. Gramescu, C. Nitu, N. Alexandrescu, Modeling of a Mobile Robot with Worm-like Movement, The International Conference on Computer as a Tool ~EUROCON 2005~, November 21-24, 2005, Belgrade, Russia.
[7] D. Zarrouk, I. Sharf, M. Shoham, Analysis of Wormlike Robotic Locomotion on Compliant Surfaces, IEEE Transactions on Biomedical Engineering, vol. 58 n. 2, February 2011, pp. 301-309.
[8] H. Shin; K. M. Jeong, J. J. Kwon, Development of a Snake Robot Moving in a Small Diameter Pipe, IEEE International Conference on Control Automation and Systems ~ICCAS 2010~, October 27-30, 2010, Gyeonggi-do, South Korea.
[9] K. Wang, Z. Wang, Y. Zhou, G. Yan, Squirm Robot with Full Bellow Skin for Colonoscopy, IEEE International Conference on Robotics and Biomimetics ~ROBIO 2010~, December 14-18, Tianjin, China.
[10] J. Liu, Modelling and Online Optimization of Robotic Fish Behaviours, Ph.D. dissertation, Dept. Elect. Eng., University of Essex, United Kingdom, 2007.
[11] H. Hu, J. Liu, I. Dukes, G. Francis, Design of 3D Swim Patterns for Autonomous Robotic Fish, Proceedings of IEEE International Conference on Intelligent Robots and Systems, 9-15 October 2006, Beijing, China.
[12] B. K. Gu, Y. A. Ismail, G. M. Spinks, S. I. Kim, I. So, S. J. Kim, A Linear Actuation of Polymeric Nanofibrous Bundle for Artificial Muscles, Chemistry of Materials, vol. 21 n. 3, January 2009, pp. 511-515.
[13] M. Rajagopalan, I. K. Oh, Fullerenol-Based Electroactive Artificial Muscles Utilizing Biocompatible Polyetherimide, ACS Nano, vol. 5 n. 3, February 2011, pp. 2248-2256.
[14] B. K. Juluri, A. S. Kumar, Y. Liu, T. Ye, Y. W. Yang, A. H. Flood, L. Fang, J. F. Stoddart, P. S. Weiss, T. J. Huang, A Mechanical Actuator Driven Electrochemically by Artificial Molecular Muscles, ACS Nano, vol. 3 n. 2, January 2009, pp. 291-300.
[15] K. Otsuka, C. M. Wayman, Shape Memory Materials, (Cambridge University Press, 1999).
[16] G. B. Kauffman, I. Mayo, Memory Metal, Chem Matters, October 1993, pp. 4-7.
[17] W. J. Buehler, WOL History Supplement NITINOL Re-Examination, Winter 2006, [Online]. Available: www.wolaa.org.
[18] F. A. Khalid, S. Z. Abbas, Characterization and Properties of Ferromagnetic Shape Memory Alloys, Materials Characterization, vol. 62 n. 12, December 2011, pp. 1134-1140.
[19] G.F. Dong, W. Cai, Z.Y. Gao, Microstructure and Martensitic Transformation of Ni–Mn–Ga–Ti Ferromagnetic Shape Memory Alloys, Journal of Alloys and Compounds, vol. 465 n. 1–2, October 2008, pp. 173-176.
[20] G.D. Liu, Z.H. Liu, X.F. Dai, S.Y. Yu, J.L. Chen, G.H. Wu, Investigation on Ferromagnetic Shape Memory Alloys, Science and Technology of Advanced Materials, vol. 6 n. 7, October 2005, pp.772-777.
[21] H. Z. Song, H. R. Zeng, Y. X. Li, Q. R. Yin, X. Hu, Ferroic Domain Characterization of Ni55Mn20.6Ga24.4 Ferromagnetic Shape Memory Alloy , Transactions of Nonferrous Metals Society of China, vol. 21 n. 9, September 2011, pp. 2015-2019.