Determining the liquidus and ordering temperatures of the ternary NiMn-Ga and quaternary Ni-Mn-Ga-Fe/Cu alloys I. Aaltio, O. Söderberg, M. Friman, I. Glavatskyy, Y. Ge, N. Glavatska and S-P. Hannula Published online: 01 September 2009 DOI: 10.1051/esomat/200904001