@inproceedings{CL-2000-Janhunen,
	author        = "Tomi Janhunen",
	booktitle     = "{Proceedings of the First International Conference on Computational Logic}",
	doi           = "10.1007/3-540-44957-4_57",
	isbn          = "3-540-67797-6",
	pages         = "852--866",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Comparing the Expressive Powers of Some Syntactically Restricted Classes of Logic Programs}",
	volume        = 1861,
	year          = 2000,
}