@article{publication-1996,
	author={Zweifel, Peter and Z{\"a}ch, Roger},
	issn={0003-603X},
	journal={Antitrust Bulletin},
	number=1,
	pages={271-298},
	publisher={Federal Legal Publications Inc.},
	title={Vertical restraints: the case of multinationals},
	volume=48,
	year=2003,
}