@article{QAPL-2007-CianciaF,
	author        = "Vincenzo Ciancia and Gian Luigi Ferrari",
	doi           = "10.1016/j.entcs.2007.07.004",
	journal       = "{Electronic Notes in Theoretical Computer Science}",
	number        = 3,
	pages         = "43--58",
	title         = "{Co-Algebraic Models for Quantitative Spatial Logics}",
	volume        = 190,
	year          = 2007,
}