@inproceedings{SAC-1993-MatzenGH,
	author        = "R. W. Matzen and K. M. George and G. E. Hedrick",
	booktitle     = "{Proceedings of the Eighth Symposium on Applied Computing: States of the Art and Practice}",
	doi           = "10.1145/162754.167186",
	pages         = "665--676",
	publisher     = "{ACM Press}",
	title         = "{A Model for Studying Ambiguity in SGML Element Declarations}",
	year          = 1993,
}