Interactive applications for digital TV : implementation, delivery methods and emerging opportunities / Peter Ellis
EMC : a practical guide to product design and certification: ERA report 97-0193 / ed. ERA Technology
A practical guide to non-ionising electromagnetic fields and radiation assessments : ERA Report 2001-0323 / ERA Technology
Serviços móveis de dados, aplicações e mCommerce : mercado e tendências em Portugal, 2000-2005 / anal. João Paulo Silva & Gabriel Chelini Coimbra