@inproceedings{DocEng-2015-WalgerH,
	author        = "Thomas Walger and Roger D. Hersch",
	booktitle     = "{Proceedings of the 15th Symposium on Document Engineering}",
	doi           = "10.1145/2682571.2797078",
	isbn          = "978-1-4503-3307-8",
	pages         = "21--24",
	publisher     = "{ACM}",
	title         = "{Hiding Information in Multiple Level-line Moirés}",
	year          = 2015,
}