por Pérez, Maciá [colaborador].
por Siyan, Karanjit, 1954- [autor] | Siyan, Karanjit, 1954-. Internet firewalls and network security | Hare, R. Chris, 1962- [autor] | Mena, Jorge Iván [traductor] | Siyan, Karanjit, 1954-. Internet firewalls and network security.
por Comer, Douglas [autor] | Vidal Romero Elizondo, Alfonso [traductor] | Comer, Douglas. Computer Networks and Internet.
por Yus, Francisco [autor].
por Marcelo Rodao, Jesus de [autor].