Rahim Mutlu Charbel Tawk Gürsel Alici Emre Sariyildiz A 3D printed monolithic soft gripper with adjustable stiffness. 6235-6240 2017 IECON https://doi.org/10.1109/IECON.2017.8217084 conf/iecon/2017 db/conf/iecon/iecon2017.html#MutluTAS17