@Article{WW+83,
    Author       = "Wos, L. and Winker, S. and Veroff, R. and Smith, B. and
                    Henschen, L.",
    Year         = "1983",
    Title        = "{Questions Concerning Possible Shortest Single Axioms in
                    Equivalential Calculus: An Application of Automated
                    Theorem Proving to infinite Domains}",
    Journal      = "Notre Dame Journal of Formnal Logic",
    Volume       = "24",
    Number       = "2",
    Pages        = "205-223",
    Comment      = "TPTPRef"
}