@book { AnImprovedandRobustAnonymousAuthenticationSchemeforRoaminginGlobalMobilityNetworks,
    title = "An Improved and Robust Anonymous Authentication Scheme for Roaming in Global Mobility Networks",
    author = "Ahmed Fraz {Baig}",
    year = "2017",
    publisher = "Anchor Academic Publishing",
    address = "Hamburg, Germany",
    url = "https://m.anchor-publishing.com/document/356602"
}