@inproceedings{POPL-1975-Stewart,
	author        = "Glenn F. Stewart",
	booktitle     = "{Conference Record of the Second Symposium on Principles of Programming Languages}",
	doi           = "10.1145/512976.512994",
	editor        = "Robert M. Graham and Michael A. Harrison and John C. Reynolds",
	pages         = "167--184",
	publisher     = "{ACM Press}",
	title         = "{An Algebraic Model for String Patterns}",
	year          = 1975,
}