SOME ASPECTS OF THE TWO WAY SHAPE MEMORY EFFECT INDUCED BY PSEUDOELASTIC CYCLING IN Cu-Zn-Al ALLOYS E. CESARI, C. PICORNELL, J. PONS et M. SADE J. Phys. IV France, 01 C4 (1991) C4-451-C4-456 DOI: 10.1051/jp4:1991468