@phdthesis {jopera:36,
	title = {A Flexible System for Visual Service Composition},
	author = {Cesare Pautasso},
	year = {2004},
	school = {ETH Zurich, Computer Science Department},
	type = {PhD Thesis},
	URL = {http://e-collection.ethbib.ethz.ch/cgi-bin/show.pl?type=diss&nr=15608},
}