Piezomagnetoelastic broadband energy harvester: Nonlinear modeling and characterizationK. Aravind Kumar, S.F. Ali and A. ArockiarajanEur. Phys. J. Special Topics, 224 14-15 (2015) 2803-2822DOI: https://doi.org/10.1140/epjst/e2015-02590-8