ULTRASONIC ATTENUATION DURING THE MARTENSITIC TRANSFORMATION IN Cu-Zn-Al SHAPE MEMORY ALLOYS Ll. MAÑOSA, J.L. MACQUERON et J.C. BABOUX J. Phys. IV France, 01 C4 (1991) C4-265-C4-269 DOI: 10.1051/jp4:1991440