@inproceedings{PPDP-2015-GallF,
	author        = "Daniel Gall and Thom W. Frühwirth",
	booktitle     = "{Proceedings of the 17th International Symposium on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/2790449.2790517",
	isbn          = "978-1-4503-3516-4",
	pages         = "114--124",
	publisher     = "{ACM}",
	title         = "{A refined operational semantics for ACT-R: investigating the relations between different ACT-R formalizations}",
	year          = 2015,
}