Mueller-Langer, Frank Intellectual Property and Competition Law, MPI for Intellectual Property, Competition and Tax Law , Max Planck Society;
http://ssrn.com/abstract=1647586 (Zusammenfassung)
Mueller-Langer, F., & Watt, R. (2010). Copyright and Open Access for Academic Works. Review of Economic Research on Copyright Issues, 7(1), 45-65.