+ [[http://www.debian.org/doc/packaging-manuals/debconf_specification.html][Debconf Specification]]
+ [[http://www.debian.org/doc/packaging-manuals/virtual-package-names-list.txt][Authoritative list of virtual package names ]]
+ [[http://www.debian.org/doc/packaging-manuals/debconf_specification.html][Debconf Specification]]
+ [[http://www.debian.org/doc/packaging-manuals/virtual-package-names-list.txt][Authoritative list of virtual package names ]]