@ARTICLE {1512,
author={J. P. M. Martins and N.B.C. Carvalho},
doi={},
journal={IEEE Transactions on Microwave Theory and Techniques},
title={Multi-tone Phase and Amplitude Measurement for Nonlinear Device Characterization},
year={2005},
month={June},
volume={53},
number={6},
pages={1982-1989},
ISSN={0018-9480}
}