http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Security Sage's guide to hardening the network infrastructure
Guide to hardening the network infrastructure
Steven Andreś, Brian Kenyon ; [contributors], Jody Marc Cohn, Nate Johnson, Justin Dolly ; foreword by Erik Pace Birkholz.