@conference {cPardas92,
	title = {Connectivity filters for image sequences},
	booktitle = {IMAGE ALGEBRA AND MORPHOLOGICAL IMAGE PROCESSING. SPIE},
	year = {1992},
	pages = {318{\textendash}329},
	isbn = {0 7923 5133 9},
	author = {M. Pard{\`a}s and Torres, L.}
}
