@inproceedings{Zhang2012Efficiency,
    author = {J. Zhang and M. Wang and S. Li and Eric W. M. Wong and M. Zukerman},
    title = {Efficiency of {OBS} Networks},
    booktitle = {Proc. ICTON 2012},
    address = {University of Warwick, Coventry, England},
    month = {Jul.},
    year = {2012},
    volume = {},
    number = {},
    pages = {},
    note = {}
}