Empel, M. v. (1975). The granting of European patents : introduction to the Convention on the Grant of European Patents, Munich, October 5, 1973: Introduction to the Convention on the Grant of European Patents, Munich, October 5, 1973. A. W. Sijthoff.
Chicago Style (17th ed.) CitationEmpel, M. van. The Granting of European Patents : Introduction to the Convention on the Grant of European Patents, Munich, October 5, 1973: Introduction to the Convention on the Grant of European Patents, Munich, October 5, 1973. Leyden: A. W. Sijthoff, 1975.
MLA (9th ed.) CitationEmpel, M. van. The Granting of European Patents : Introduction to the Convention on the Grant of European Patents, Munich, October 5, 1973: Introduction to the Convention on the Grant of European Patents, Munich, October 5, 1973. A. W. Sijthoff, 1975.