[The Relationship Between Advertising and Environment and its Limits in Unfair Competition] (Schriften zum Wirtschaftsrecht Band 121), Duncker & Humblot, Berlin 1999 (also Doctoral Thesis at the Humboldt University of Berlin, 1997) 363 pages
[The Relationship Between Advertising and Environment and its Limits in Unfair Competition] (Schriften zum Wirtschaftsrecht Band 121), Duncker & Humblot, Berlin 1999 (also Doctoral Thesis at the Humboldt University of Berlin, 1997) 363 pages