On the R-phase transformation related phenomena in NiTi polycrystals subjected to thermomechanical loads P. Sittner, D. Lugovyy, D. Neov, M. Landa, P. Lukas and V. Novak J. Phys. IV France, 115 (2004) 269-278 DOI: 10.1051/jp4:2004115032