Lehmann, Michael Intellectual Property and Competition Law, MPI for Intellectual Property, Competition and Tax Law, Max Planck Society;
Lehmann, M. (2006). The Current Reforms of German Competition and Antitrust Law. In Chiteki zaisankenhō to kyōsōhō no gendai teki hatten. Publication of articles in commemoration of the 70th birthday of Professor Dr. Nobuo Monya (pp. 1227-1234). Tokio: Hatsumei Kyokai.