1.
2.
Buffalo, New York : The Patent and Trademark Office Society, 1976.
French | 47 US |
3.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1978.
English | 10B OMPI |
4.
5.
6.
Seoul, Korea : Asia-Pacific Lawyers Association, 1981.
English | 5 US |
7.