@ARTICLE {19040,
author={M. C. R.  Medeiros and N.S.C. Correia},
doi={10.1080/01468030590923046},
journal={Fiber and Integrated Optics},
title={Survivability in IP-over-WDM Networks: WDM Lightpath Protection versus IP LSP Protection},
year={2005},
month={May},
volume={24},
number={3-4},
pages={353-369},
ISSN={0146-8030}
}