Mobile cellular telecommunications systems / William C. Y. Lee
Mobile cellular telecommunications : analog and digital systems / William C. Y. Lee
A practical guide to the determination of human exposure to radiofrequency fields : NCRP Report No. 119 (1993) / NCRP - National Council on Radiation Protection and Measurments
As tecnologias de informação e comunicação na formação contínua de professores / Horácio Santos