III Fórum telecom & media : 22 de Setembro de 2004, Lisboa / org. Diàrio Económico
Fixed-to-mobile substitution in Europe [documento electrónico] : high pace of irreversible fixed-to-mobile substitution
Cost and convenience will determine of fixed-mobile convergence [documento electrónico] / Jonathan Doran
The next moves : convergence in the communications and content industries / ed. The Economist Intelligence Unit
Substitution & convergence : Is there a future for fixed telephony? / IDATE
Communications regulators consider convergence, technologies and markets / ed. Yankee Group