Use of in situ TEM experiments for phase transition studies E. Snoeck, C. Roucau, P. Baules, M.J. Casanove, M. Fagot, B. Astie and J. Degauque Microsc. Microanal. Microstruct., 4 2-3 (1993) 249-264 DOI: 10.1051/mmm:0199300402-3024900