"Computervirus." . . "Computer viruses : what they are, how they work, how to avoid them [Hauptbd]" . "Computer viruses : what they are, how they work, how to avoid them" . . . . . "Addresses the problem of computer viruses and how one can protect computers from them." . "I programmi antivirus" . "I programmi antivirus"@it . . . . . . . "Computer viruses : what they are, how they work, & how to avoidthem" . . . . . . . . . . . "Computer viruses." . . "Edb programmering." . . "Virus informatiques." . .