@INPROCEEDINGS {1170,
author={J. M. Dias Pereira and P.M. Girão},
doi={},
booktitle={IMEKO TC4 Symp.},
title={Identification of Two and Four Ports Systems Using a Frequency Domain Technique},
year={1995},
month={September},
volume={Part 2},
pages={352-356} 
}