@book {eSalembier93,
	title = {Mathematical morphology and its applications to signal processing},
	year = {1993},
	publisher = {Universitat Polit{\`e}cnica de Catalunya (UPC)},
	organization = {Universitat Polit{\`e}cnica de Catalunya (UPC)},
	address = {Barcelona},
	isbn = {8476532717},
	author = {Serra, J. and Salembier, P.}
}
