@article{publication-642, author={Maegli, M and Jaag, C and Koller, M and Trinkner, U}, issn={1783-5917}, journal={Competition and Regulation in Network Industries}, number=4, pages={382-397}, publisher={Intersentia NV}, title={Postal Markets and Electronic Substitution: What is the Impact of Intermodal Competition on Regulatory Practices and Institutions?}, volume=11, year=2010, }