@INPROCEEDINGS {15268,
author={A. Eira and J. M. Pedro and J. J. O.  Pires and J. P. Fernandez-Palacios},
doi={0},
booktitle={European Conference on Optical Communication  ECOC},
title={CAPEX Impact of Fixed/Flex-Rate Modular Line Interfaces in Multi-Period Network Planning with Equipment Reuse},
year={2014},
month={September},
volume={1},
pages={1-3} 
}