Heavens fill with commerce : a brief history of the communications satellite industry / Virgill S. Labrador and Peter I. Galace
Higiene, segurança, saúde prevenção de acidentes de trabalho / Verlag Dashöfer
Routing, flow, and capacity design in communication and computer networks / Michal Pióro, Deepankar Medhi
Computer viruses and malware / John Aycock