@INPROCEEDINGS {6061,
author={A. F. Sousa and G. Soares},
doi={},
booktitle={IFIP TC6 Networking Conf.},
title={Improving Load Balance of Ethernet Carrier Networks using IEEE 802.1S MSTP with Multiple Regions},
year={2006},
month={May},
volume={3976, Lecture Notes on Computer Science},
pages={1250-1260} 
}