Phonon precursors to the high temperature martensitic transformation in Ti50Pd42Cr8 S.M. Shapiro, B.L. Winn, D.L. Schlagel, T.A. Lograsso et R.L. Erwin J. Phys. IV France, 112 (2003) 1047-1050 DOI: 10.1051/jp4:20031061