Correlation Between Microstructure and Ageing of Iron Manganite ThermistorsT. Battault, R. Legros, M. Brieu, J.J. Coudere, L. Bernard et A. RoussetJ. Phys. III France, 7 5 (1997) 979-992DOI: https://doi.org/10.1051/jp3:1997169