1.
New York : Nimmer & Geller, 1988.
Swiss german | N 44 DES.S |
2.
3.
4.
London [England] : Informa Law, 1992.
English | 57 GB |
5.
6.
7.
8.
London [England] : Informa Law, 1991.
English | 53 GB |
9.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1972.
English | 10B OMPI |
10.