Neutron diffraction analysis of the order in a Cu-Al-Ni shape memory alloy processed by powder metallurgy J.I. Pérez-Landazabal, V. Recarte, J. Campo, R.B. Pérez-Saez, M.L. No et J. San Juan J. Phys. IV France, 112 (2003) 611-614 DOI: 10.1051/jp4:2003959