Autonomous generator based on Ni-Mn-Ga microactuator as a frequency selective elementM. M. Krupa, Y. B. Skirta, J.M. Barandiaran, M. Ohtsuka and V.A. ChernenkoEPJ Web of Conferences, 40 (2013) 09001DOI: https://doi.org/10.1051/epjconf/20134009001