(F/E/S/R) : French, English, Spanish and Russian version; Paris : UNESCO; Gene?ve : OMPI; Vol I : French and English version; Vol II: Spanish and Russian version; See English version in INTERNATIONAL CONFERENCE OF STATES ON THE PROTECTION OF PHONOGRAMS (GENEVA, OCTOBER 18-29, 1971) : WIPO/UNESCO : 1971; See Spanish version in CONFERENCIA INTERNACIONAL DE ESTADOS SOBRE LA PROTECCION DE LOS FONONGRAMAS (GINEBRA, 18-21 OCTUBRE 1971) : OMPI/UNESCO : 1971; See also Russian version;.