@inproceedings{CADE-1992-Dafa,
	author        = "Li Dafa",
	booktitle     = "{Proceedings of the 11th International Conference on Automated Deduction}",
	doi           = "10.1007/3-540-55602-8_200",
	isbn          = "3-540-55602-8",
	pages         = "668--672",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{A Natural Deduction Automated Theorem Proving System}",
	volume        = 607,
	year          = 1992,
}