@INPROCEEDINGS {15757,
author={A. Furtado and M. Luís and R. Oliveira and R. Dinis and L. Bernardo},
doi={10.1007/978-3-642-37291-9_53},
booktitle={Doctoral Conf. on Computing, Electrical and Industrial Systems - DOCEIS},
title={Channel Availability Assessment for Cognitive Radios},
year={2013},
month={April},
volume={394},
pages={495-504} 
}