Yearbook of statistics : telecommunication / ICT indicators 2004-2013 / International Telecommunication Union
Final acts of the plenipotentiary conference (Guadalajara, 2010) [documento eletrónico] / International Telecommunication Union
Handbook on national spectrum management / International Telecommunication Union
Unión Internacional de Telecomunicaciones : conmemorando su 130 aniversario 1865-1995