The implications of Wimax for competition and regulation [documento electrónico] / Organisation for Economic co-Operation and Development
Factores chave do desenvolvimento e implementação do WiMAX como tecnologia sem fios de banda larga : seminário especializado: Lisboa, 31 de Janeiro de 2006 / IIR - Institute for International Research
Prices and price-cost margins of mobile voice services / Corrado Andini, Ricardo Cabral, Henry Chappel