@article{ICLP-J-2012-Maher,
	author        = "Michael J. Maher",
	doi           = "10.1017/S1471068412000294",
	journal       = "{Theory and Practice of Logic Programming}",
	number        = "4-5",
	pages         = "793--810",
	title         = "{Relative expressiveness of defeasible logics}",
	volume        = 12,
	year          = 2012,
}