Magnetocaloric and shape-memory effects in Ni-Mn-Ga ferro-magnetic alloys J. Marcos, L. Mañosa, A. Planes, F. Casanova, X. Batlle, A. Labarta et B. Matínez J. Phys. IV France, 115 (2004) 105-110 DOI: 10.1051/jp4:2004115013