1.
2.
3.
4.
Geneva [Switzerland] : World Intellectual Property Organization, 1977.
English | E 2314G22 WIPO.ST/MEX (F/E/S) |
5.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1982.
English | 10B OMPI |
6.
London, England : Sweet & Maxwell, 1979.
English | 10 GB |
7.
East Kilbride [Scotland] : Licensing Executives Society International, 1972.
English | 48 US |
8.
New York, New York : Clark Boardman Co., 1982.
English | G 57G62(414) US 49 |
9.
East Kilbride [Scotland] : Licensing Executives Society International, 1976.
English | 48 US |
10.
London [England] : Trade Marks, Patents and Designs Federation, 1978.
Spanish | 41 GB |