@Book{CB+89,
    Author       = "Comaromi, J.P. and Beall, J. and Matthews, W.E. and New,
                    G.R.",
    Year         = "1989",
    Title        = "{Dewey Decimal Classification and Relative Index}",
    Edition      = "20",
    Publisher    = "Forest Press",
    Comment      = "TPTPRef"
}