@InCollection{AO13,
    Author       = "Arthan, R. and Oliva, P.",
    Year         = "2013",
    Title        = "{Dual Hoops Have Unique Halving}",
    Editor       = "Bonacina, M.P. and Stickel, M.",
    BookTitle    = "{Automated Reasoning and Mathematics: Essays in Memory
                    of William McCune}",
    Series       = "Lecture Notes in Artificial Intelligence",
    Number       = "",
    Pages        = "To appear",
    Publisher    = "Springer-Verlag",
    Comment      = "TPTPRef"
}