@ARTICLE {8050,
author={N.S.C. Correia and J Coimbra and M. C. R.  Medeiros},
doi={10.1007/s11107-008-0142-1},
journal={Photonic Network Communications},
title={Sparse traffic grooming in WDM networks using coarse granularity OXCs},
year={2009},
month={February},
volume={17},
number={1},
pages={49-62},
ISSN={1387-974X}
}