@INPROCEEDINGS {1212,
author={C. Peixeiro and A. Barbosa},
doi={},
booktitle={COST 223 - ESA Workshop on Active Antennas},
title={Green´s function for the analysis of a circular microstrip antenna embedded in a multilayer anisotropic structure},
year={1992},
month={June},
volume={1},
pages={151-156} 
}