Martensitic transformation in melt-spun Ni-Mn-Ga ribbons T. Goryczka, J. Lelatko, B. Górka-Kostrubiec, P. Ochin and H. Morawiec Eur. Phys. J. Special Topics, 158 (2008) 131-136 Published online: 01 May 2008 DOI: 10.1140/epjst/e2008-00665-3