(F/E/S) : French, English and and Spanish version; Paris : UNESCO; Gene?ve : OMPI; See English version in INTERNATIONAL CONFERENCE OF STATES ON THE PROTECTION OF PHONGRAMS (GENEVA, OCTOBER 18-29 1971) : WIPO/UNESCO; See Spanish version in CONFERENCIA INTERNACIONAL DE ESTADOS SOBRE LA PROTECCION DE FONOGRAMAS (GINEBRA, 18-29 OCTUBRE 1971) : OMPI/UNESCO;.