@Article {ajss-toit2013,
    author = {C.A. Ardagna and S. Jajodia and P. Samarati and A. Stavrou},
    title = {Providing Users' Anonymity in Mobile Hybrid Networks},
    journal = {ACM Transactions on Internet Technology (TOIT)},
    volume = {12},
    number = {3},
    pages = {1--33},
    month = {May},
    year = {2013},
    note = {article 7}
}