(F/E/S) : French, English and Spanish version; Pari?s : UNESCO; Ginebra: OMPI; See French version in CONFERENCE INTERNATIONALE D'ETATS SUR LA PROTECTION DES PHONOGRAMMES (GENEVE, 18-20 OCTOBRE 1971) : OMPI/UNESCO; See English version in INTERNATIONAL CONFERENCE OF STATES ON THE PROTECTION OF PHONGRAMS : OMPI/UNESCO;.