@InProceedings{BH+15,
    Author       = "Blanchette, J. and Haslbeck, M. and Matichuk,D. and
                    Nipkow, T.",
    Year         = "2015",
    Title        = "{Mining the Archive of Formal Proofs}",
    Editor       = "Kerber, M. and Carette, J. and Kaliszyk, C. and
                    Rabe, F. and Sorge, V.",
    BookTitle    = "{Proceedings of the 8th Conference on Intelligent Computer
                    Mathematics}",
    Place        = "Washington, USA",
    Series       = "Lecture Notes in Computer Science",
    Number       = "9150",
    Pages        = "3-17",
    Comment      = "TPTPRef"
}