@Article{SS98,
Author = "Sutcliffe, G. and Suttner, C.B.",
Year = "1998",
Title = "{The TPTP Problem Library: CNF Release v1.2.1}",
Journal = "Journal of Automated Reasoning",
Volume = "21",
Number = "2",
Pages = "177-203",
Comment = "REAL,ATPProgress,SystemOnTPTP,TPTPCite"
}