@INPROCEEDINGS {648,
author={M. Freire and J. R. Rodrigues},
doi={},
booktitle={IASTED International Conf. on Communications, Internet and Information Technology - CIIT},
title={Performance Assessment of WDM Degree-Four Chordal Ring Networks},
year={2002},
month={November},
volume={M. H. Hamza (Ed.), ACTA Press},
pages={263-267} 
}