@book{publication-975,
	address={Saarbr{\"u}cken},
	author={Trinkner, U},
	isbn={978-3-8381-0788-2},
	publisher={S{\"u}dwestdeutscher Verlag f{\"u}r Hochschulschriften},
	title={Regulating the Mail Market: Main Regulatory Challenges in light of Universal Service Provision, Competition, and E-Substitution},
	year=2009,
}