Active materials and structures for origami engineering Hartl, Darren ; Lagoudas, Dimitris ; Malak, Richard ; Frecker, Mary ; Ounaies, Zoubeida Abstract Publication: Smart Material Structures Pub Date: September 2014 DOI: 10.1088/0964-1726/23/9/090201 Bibcode: 2014SMaS...23i0201H