Patinnova '94 : Strategies for the protection of innovation in new technologies : proceedings of the third European congress on innovation, management and patents 2 to 4 June 1994, Copenhagen, Denmark (engelsk)
Appellations of origin, indications of source and geographical indications : 27th congress of AIPPI, Rio de Janeiro 1998 (May 24-29, 1998) : groups reports Q 62 (engelsk)