Matteucci, GBeeli, C2007-02-152007-02-152007-02-15199910.1016/S0304-8853(98)01003-8https://infoscience.epfl.ch/handle/20.500.14299/2988WOS:000080271900348Visualization of the magnetization changes versus temperature in a thin film using electron holographytext::journal::journal article::research article