1.
New York : Practising Law Institute, 1981.
English | T 3 ANT | Available |
2.
New York : The Conference Board, 1925.
English | T 3 TRA | Available |
3.
4.
Geneva [Switzerland] : World Intellectual Property Organization, 1979.
English | E 224:381 | Available |
5.
6.
East Kilbride [Scotland] : Licensing Executives Society International, 1975.
English | 48 US | Available |
7.