ANOMALOUS ELASTIC SOFTENING OF POLYCRYSTALLINE Nb3Sn BELOW THE MARTENSITIC TRANSFORMATION TEMPERATURE J. F. Bussière, B. Faucher et C. L. SneadJ. Phys. Colloques, 43 C4 (1982) C4-363-C4-368DOI: https://doi.org/10.1051/jphyscol:1982452