TY - BOOK AU - Thumm, Nikolaus TI - Intellectual property rights: National systems and harmonisa T2 - Contributions to economics SN - 3-7908-1329-X U1 - 341.758094/THU PY - 2000/// CY - Heidelberg PB - Physica-Verlag KW - Intellectual property-European Union countries KW - Law ER -