@INPROCEEDINGS {13702,
author={M. J. D. Duarte and P. M. Cabral and J. C. Pedro},
doi={0},
booktitle={Conf. on Telecommunications  - ConfTele},
title={Analysis and design of a limit-cycle amplifier taking into account the propagation delay of the relay},
year={2013},
month={May},
volume={1},
pages={85-88} 
}