@Article{WB87,
    Author       = "Wang, T-C. and Bledsoe, W.W.",
    Year         = "1987",
    Title        = "{Hierarchical Deduction}",
    Journal      = "Journal of Automated Reasoning",
    Volume       = "3",
    Number       = "1",
    Pages        = "35-77",
    Comment      = "TPTPRef, general reasoning/semantics"
}