G.  Mathijssen, Schultz, J., Vanderborght, B., and Bicchi, A., ?A muscle-like recruitment actuator with modular redundant actuation units for soft robotics?, Robotics and Autonomous Systems, vol. 74, no. part A, pp. 40-50, 2015 [Online]. Available: http://www.sciencedirect.com/science/article/pii/S0921889015001384

G.  Mathijssen, Terryn, S., Funemont, R., Garabini, M., Catalano, M. G., Grioli, G., Lefeber, D., Bicchi, A., and Vanderborght, B., ?Potential merits for space robotics from novel concepts of actuation for soft robotics?, in Advanced Space Technologies for Robotics and Automation (ASTRA) , Noordwijk, The Netherlands  May 11-13, 2015, 2015. 

J.  Shultz, Mathijssen, G., Vanderborght, B., and Bicchi, A., ?A Selective Recruitment Strategy for Exploiting Muscle-Like Actuator Impedance Properties?, in IEEE International Conference of Intelligent Robots and Systems - IROS2015, Hamburg, Germany, 28 Sept - 2 Oct 2015, 2015, pp. 2231-2237.