Cordless telecommunications in Europe : the evolution of personal communications / Wally H. W. Tuttlebee
Foundations for microwave engineering / R. E. Collin
Programas de concurso tipo e cadernos de encargos tipo para as empreitadas de obras públicas e legislação complementar
Les télécommunications mobiles : le téléphone de poche européen / A. Jagoda et M. de Villepin