@inproceedings{ILPS-1995-PugetL,
	author        = "Jean-François Puget and Michel Leconte",
	booktitle     = "{Proceedings of the International Symposium on Logic Programming}",
	isbn          = "0-262-62099-5",
	pages         = "513--527",
	publisher     = "{MIT Press}",
	title         = "{Beyond the Glass Box: Constraints as Objects}",
	year          = 1995,
}