WIPO publication
International Bureau of Intellectual Property
World Intellectual Property Organization
WIPO 1974 WIPO publication no. 315 (E)
Available at 2 libraries
Council of Europe , WIPO 1973 WIPO publication no. 314 (E)
Available at 1 libraries
World Intellectual Property Organization 1972 WIPO publication no. 312 (E)
Available at 3 libraries
World Intellectual Property Organization 1972 WIPO publication no. 313(E)
Available at 5 libraries
World Intellectual Property Organization 1971 WIPO publication no. 288(E)
adopted by the Assembly of the Paris Union for the Protection of Industrial Property and the General Assembly of the World Intellectual Property Organization (WIPO)
WIPO WIPO publication No. 835(E)