@article{Lin2018Virtual,
    author = {R. Lin and S. Luo and J. Zhou and S. Wang and A. Cai and W.-D. Zhong and M. Zukerman},
    title = {Virtual Network Embedding with Adaptive Modulation in Flexi-grid Networks},
    journal = {IEEE/OSA Journal of Lightwave Technology},
    volume = {36},
    number = {17},
    pages = {3551-3563},
    month = {September},
    year = {2018}
}