1.
Geneva [Switzerland] : World Intellectual Property Organization, 1986.
English | E 12 WIPO.C (F/E/S/R/A) |
2.
Berlin Et Al : Vahlen, 1963.
English | E 12 ERM.S (G/E/F/S) |
3.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1964.
English | 10B OMPI |
4.
Courbevoie [France] : Institut National de la Propriété Industrielle, 1964.
Italian | 10A OMPI |
5.
6.
Paris [France] : Entreprise Moderne D'Edition, 1970.
French | E 12 KAU.I |
7.
Berlin Et Al : Vahlen, 1963.
Spanish | E 12 ERM.S (S/F/E/G) |
8.
Paris [France] : Presses Universitaires De France (PUF), 1961.
English | E 12 BOI.T |