@INPROCEEDINGS {1952,
author={N.B.C. Carvalho and J. C. Pedro},
doi={},
booktitle={IEEE International Microwave Theory and Tech. Symp.},
title={Nonlinear Simulation of Mixers for Assessing System-Level Performance},
year={2004},
month={June},
volume={1},
pages={1-1} 
}