@article {221436, title = {Maximal energy that can be converted by a dielectric elastomer generator}, journal = {Applied Physics Letters}, volume = {94}, number = {26}, year = {2009}, url = {http://imechanica.org/files/Maximal\%20Energy\%20APL.pdf}, author = {Soo Jin Adrian Koh and Zhao, Xuanhe and Zhigang Suo} }