Improving energy harvesting by stochastic resonance in a laminated bistable beam HaiTao Li, WeiYang Qin, Wangzheng Deng and Ruilan Tian Eur. Phys. J. Plus, 131 3 (2016) 60 Published online: 18 March 2016 DOI: 10.1140/epjp/i2016-16060-4