Autonomous generator based on Ni-Mn-Ga microactuator as a frequency selective element M. M. Krupa, Y. B. Skirta, J.M. Barandiaran, M. Ohtsuka and V.A. Chernenko EPJ Web of Conferences, 40 (2013) 09001 Published online: 14 January 2013 DOI: 10.1051/epjconf/20134009001