@phdthesis{Mach15,
	address = {Zürich, Switzerland},
	author = {Machado, Guilherme Sperb},
	organization = {Communication Systems Group, Department of Informatics},
	institution = {Universität Zürich},
	month = {nov},
	title = {A Cloud Storage Overlay to Aggregate Heterogeneous Cloud Services},
	year = {2015}
}