Critical infrastructure : reliability and vulnerability / ed. Alan T. Murray, Tony H. Grubesic
Absolute beginner's guide to security, spam, spyware & viruses / Andy Walker
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