1.
London : Sweet & Maxwell, 1998.
Second edition.
English | N 633 BAG.M | Available |
2.
3.
4.
5.
Englewood : Aspen Law & Business, 1996.
Second edition.
Finnish | N 633 KOH.K(2) | Available |
6.
Geneva [Switzerland] : World Intellectual Property Organization, 1984.
English | E 2314G11 WIPO.INPI/CT (E/S) | Available |
7.
White Plains, N.Y. : Knowledge Industry Publications, c1980.
English | N 633 DRA.I | Available |
8.