@inbook{publication-1256,
	address={Boston, Mass.},
	author={Dietl, H and Trinkner, U and Bleisch, R},
	booktitle={Regulatory and Economic Challenges in the Postal and Delivery Sector},
	doi={10.1007/0-387-23637-6_3},
	editor={Crew, M A and Kleindorfer, P R},
	isbn={1-402-07972-9 (Print), 0-387-23637-6 (Electronic)},
	number=48,
	pages={53-72},
	publisher={Kluwer Academic Publishers},
	series={Topics in regulatory economics and policy},
	title={Liberalization and regulation of the Swiss letter market},
	year=2005,
}