@INPROCEEDINGS {1751,
author={H.  Ramos and P.M. Girão},
doi={},
booktitle={Jornadas Hispano Lusas de Ingenieria Eléctrica},
title={PC Based System for the Characterization of Ferromagnetic Materials},
year={1990},
month={July},
volume={III},
pages={1235-1244} 
}