1.
2.
3.
4.
Courbevoie [France] : Institut National de la Propriété Industrielle, 1983.
French | 10A OMPI |
5.
Stockholm [Sweden] : Nordiskt Immateriellt Rättsskydd (NIR), 1972.
English | 3 SE |
6.
Roma [Italy] : Biblioteca Nazionale Centrale di Roma, 1972.
Italian | 13 IT |
7.
Stockholm [Sweden] : Nordiskt Immateriellt Rättsskydd (NIR), 1986.
Swiss german | 3 SE |
8.
9.
[Place of publication not identified] : [publisher not identified], 1978.
English | 20 JP |
10.
London, England : Sweet & Maxwell, 1981.
English | 10 GB |