@inproceedings{DLT-2018-ColbournDLS,
	author        = "Charles J. Colbourn and Ryan E. Dougherty and Thomas Finn Lidbetter and Jeffrey O. Shallit",
	booktitle     = "{Proceedings of the 22nd International Conference on Developments in Language Theory}",
	doi           = "10.1007/978-3-319-98654-8_19",
	isbn          = "['978-3-319-98653-1', '978-3-319-98654-8']",
	pages         = "231--242",
	publisher     = "{Springer}",
	title         = "{Counting Subwords and Regular Languages}",
	year          = 2018,
}