+\end_inset
+
+
+\begin_inset CommandInset label
+LatexCommand label
+name "subsec:Bibliography-databases"
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+Bibliography databases are useful if you use the same references in different
+ documents.
+\begin_inset Foot
+status collapsed
+
+\begin_layout Plain Layout
+They are also useful for keeping a database of articles and notes concerning
+ them.
+ Most of the database programs mentioned below allow you to store annotations
+ and reviews along with bibliographical information.
+\end_layout
+
+\end_inset
+
+ It also makes it very easy to have a uniform layout for all bibliography
+ entries.
+ You can collect the bibliography of all relevant books and articles of
+ your working field in a database.
+ This database can be used for different documents, and by default only
+ the entries cited in a particular document will appear in the bibliography
+ list for that document.
+ This relieves you of the need to keep track of which articles and books
+ you have cited.
+\end_layout
+
+\begin_layout Standard
+The database is a text file with the file extension
+\begin_inset Quotes eld
+\end_inset
+
+
+\family sans
+.bib
+\family default
+
+\begin_inset Quotes erd
+\end_inset
+
+, containing the bibliography in a special format.
+ The format is explained in
+\begin_inset CommandInset citation
+LatexCommand cite
+key "BibTeX-2"
+literal "true"
+
+\end_inset
+
+ and in the \SpecialChar LaTeX
+ books (
+\begin_inset CommandInset citation
+LatexCommand cite
+key "Mittelbach,Kopka,Lamport"
+literal "true"
+
+\end_inset
+
+).
+ The file can be created using any text editor, but normally one uses a
+ special program to create and edit the entries in the database.
+ A list of such programs is maintained on the \SpecialChar LyX
+ Wiki at
+\begin_inset Flex URL
+status collapsed
+
+\begin_layout Plain Layout
+
+http://wiki.lyx.org/BibTeX/Programs
+\end_layout
+
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Standard
+\SpecialChar LyX
+ supports two different approaches to use bibliography databases in a document.
+ Bib\SpecialChar TeX
+ is the classic technique that has been the only way to use such databases
+ for a long time.
+ It is quite established and mature and there is a huge range of existing
+ styles available.
+ But it has its drawbacks, especially when it comes to more complex bibliographi
+c needs and support for specific languages and scripts.
+ Those are addressed by
+\series bold
+biblatex
+\series default
+
+\begin_inset Index idx
+status collapsed
+
+\begin_layout Plain Layout
+\SpecialChar LaTeX
+ packages ! biblatex
+\end_layout
+
+\end_inset
+
+.
+ It reads the same database format than Bib\SpecialChar TeX
+ (although it has been significantly
+ extended beyond Bib\SpecialChar TeX
+'s scope)
+\begin_inset Foot
+status collapsed
+
+\begin_layout Plain Layout
+Meaning: While
+\noun on
+Biblatex
+\noun default
+ can handle any classic Bib\SpecialChar TeX
+ database, Bib\SpecialChar TeX
+ might conversely fail to correctly
+ handle databases that use specific
+\noun on
+Biblatex
+\noun default
+ features.
+\end_layout
+
+\end_inset
+
+, but it uses a different framework to generate citations and references
+ from it.
+\end_layout
+
+\begin_layout Standard
+To select if Bib\SpecialChar TeX
+ or
+\series bold
+biblatex
+\series default
+ should be used, set in the document settings (menu
+\family sans
+Document\SpecialChar menuseparator
+Settings
+\family default
+)
+\begin_inset Index idx
+status collapsed
+
+\begin_layout Plain Layout
+Document ! Settings
+\end_layout
+
+\end_inset
+
+ under
+\family sans
+Bibliography
+\family default
+ the
+\family sans
+Style
+\begin_inset space ~
+\end_inset
+
+format
+\family default
+ to a Bib\SpecialChar TeX
+ or a
+\family sans
+Biblatex
+\family default
+ format.
+\end_layout
+
+\begin_layout Subsubsection
+Bib\SpecialChar TeX
+
+\begin_inset Index idx
+status collapsed
+
+\begin_layout Plain Layout
+Bibliography ! Bib\SpecialChar TeX
+
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+To access a database via Bib\SpecialChar TeX
+, use the menu
+\family sans
+Insert\SpecialChar menuseparator
+List
+\family default
+/
+\family sans
+TOC\SpecialChar menuseparator
+Bib(la)TeX
+\begin_inset space ~
+\end_inset
+
+Bibliography
+\family default
+.
+ A window will appear in which you can add one or more databases and select
+ a Bib\SpecialChar TeX
+
+\family sans
+ style
+\family default
+ file.
+ The option
+\family sans
+Add bibliography to TOC
+\family default
+ adds a table of contents entry for the bibliography.
+ In the
+\family sans
+Content
+\family default
+ drop box you can select whether to include all the entries in the database
+ in the document or just the cited references.
+\end_layout
+
+\begin_layout Standard
+The Bib\SpecialChar TeX
+ style file is a text file with the file extension
+\begin_inset Quotes eld
+\end_inset
+
+
+\family sans
+.bst
+\family default
+
+\begin_inset Quotes erd
+\end_inset
+
+ that controls how the bibliography entries will appear.
+ Your \SpecialChar LaTeX
+ distribution should provide several of these, and many publishers
+ provide their own style files, so that you don't have to take care of the
+ layout.
+ It is of course possible to write your own style file, but this is something
+ for experts.
+\begin_inset Foot
+status collapsed
+
+\begin_layout Plain Layout
+For information on how this is done, have a look at
+\begin_inset Newline newline
+\end_inset
+
+
+\begin_inset CommandInset href
+LatexCommand href
+target "http://mirrors.ctan.org/biblio/bibtex/contrib/doc/btxhak.pdf"
+literal "false"
+
+\end_inset
+
+.
+\end_layout
+
+\end_inset
+
+ In this document we used the Bib\SpecialChar TeX
+ style
+\family sans
+alphadin.bst
+\family default
+, which provides an alpha-numeric style in accordance with the German Standards
+ Institute (DIN).
+\end_layout
+
+\begin_layout Standard
+Inserting a citation reference works as described in the previous section.
+\end_layout
+
+\begin_layout Subsubsection
+Biblatex
+\begin_inset Index idx
+status collapsed
+
+\begin_layout Plain Layout
+Bibliography ! Biblatex
+\end_layout
+
+\end_inset
+
+
+\begin_inset Index idx
+status collapsed
+
+\begin_layout Plain Layout
+\SpecialChar LaTeX
+ packages ! biblatex
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+Accessing a database via
+\series bold
+biblatex
+\series default
+ is almost identical to Bib\SpecialChar TeX
+: Use the menu
+\family sans
+Insert\SpecialChar menuseparator
+List
+\family default
+/
+\family sans
+TOC\SpecialChar menuseparator
+Bib(la)TeX
+\begin_inset space ~
+\end_inset
+
+Bibliography
+\family default
+.
+ In contrary to Bib\SpecialChar TeX
+ you cannot select a
+\family sans
+style
+\family default
+ file.
+ The other dialog options are the same as with Bib\SpecialChar TeX
+.
+\end_layout
+
+\begin_layout Standard
+
+\series bold
+biblatex
+\series default
+ has two different style files: a bibliography style file (text file with
+ the file extension
+\begin_inset Quotes eld
+\end_inset
+
+
+\family sans
+.bbx
+\family default
+
+\begin_inset Quotes erd
+\end_inset
+
+) controls how the bibliography entries will look like and a citation style
+ file (text file with the file extension
+\begin_inset Quotes eld
+\end_inset
+
+
+\family sans
+.cbx
+\family default
+
+\begin_inset Quotes erd
+\end_inset
+
+) controls the look of the citation references in the text.
+ Usually such style files come in pairs and it makes sense to use matching
+ styles.
+ It is nevertheless possible to mix any citation style with any bibliography
+ style.
+\end_layout
+
+\begin_layout Standard
+
+\series bold
+biblatex
+\series default
+ styles are not set in the
+\family sans
+Bib(la)TeX
+\begin_inset space ~
+\end_inset
+
+Bibliography
+\family default
+ dialog, but in the document settings.
+\begin_inset Index idx
+status collapsed
+
+\begin_layout Plain Layout
+Document ! Settings
+\end_layout
+
+\end_inset
+
+ However, in the dialog in the
+\family sans
+Options
+\family default
+ field, which is only visible if you use
+\series bold
+biblatex
+\series default
+, you can enter options that determine how the bibliography is printed (for
+ example how its heading will appear).
+ These options are deescribed in detail in the
+\series bold
+biblatex
+\series default
+ manual,
+\begin_inset CommandInset citation
+LatexCommand cite
+key "Biblatex"
+literal "true"
+
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Standard
+Inserting a citation reference works as described in section
+\begin_inset space ~
+\end_inset
+
+
+\begin_inset CommandInset ref
+LatexCommand ref
+reference "subsec:The-Bibliography-Environment"
+plural "false"
+caps "false"
+noprefix "false"
+
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Subsubsection
+Bibliography Processors
+\end_layout
+
+\begin_layout Standard
+To generate the bibliography from a database, \SpecialChar LyX
+ uses a bibliography processor,
+ that is an external program that reads the database, sorts the citations
+ and processes the data in a way it can be included in the document.
+ The classic program is called Bib\SpecialChar TeX
+.
+ It has the advantage that it is very mature and widespread, but the disadvantag
+e that it has severe limitations, due to its age.
+\end_layout
+
+\begin_layout Standard
+Meanwhile, some alternatives have been developed that address some of these
+ limitations.
+ LyX natively supports some of them and lets you select a custom processor.
+ You can do this on a general level in
+\family sans
+Tools\SpecialChar menuseparator
+Preferences\SpecialChar menuseparator
+Output\SpecialChar menuseparator
+LaTeX
+\family default
+ or for individual documents in
+\family sans
+Document\SpecialChar menuseparator
+Settings\SpecialChar menuseparator
+Bibliography
+\family default
+.
+ The following variants are available by default:
+\end_layout
+
+\begin_layout Description
+biber a specific, modern processor
+\begin_inset Index idx
+status collapsed
+
+\begin_layout Plain Layout
+\SpecialChar LaTeX
+ packages ! biber
+\end_layout
+
+\end_inset
+
+ developed exclusively for
+\series bold
+biblatex
+\series default
+ (it does not work with Bib\SpecialChar TeX
+!).
+
+\series bold
+biber
+\series default
+ provides full Unicode support, unlimited memory and many specific features
+
+\series bold
+biblatex
+\series default
+ makes use of; if you use the
+\series bold
+biblatex
+\series default
+ approach, it is strongly recommended to use
+\series bold
+biber
+\series default
+.
+\end_layout
+
+\begin_layout Description
+bibtex the standard; does not allow special characters in bibliography entries
+ that are not possible to encode in a 7-bit encoding, limited memory, works
+ with all bibliography packages, although it will probably fail with
+\series bold
+biblatex
+\series default
+ bibliographies due to the limited memory.
+\end_layout
+
+\begin_layout Description
+bibtex8 allows all characters that are possible to encode in an 8-bit encoding
+ (but no Unicode support), larger memory than
+\family sans
+bibtex
+\family default
+, works with all bibliography packages, although more complex
+\series bold
+biblatex
+\series default
+ bibliographies will exceed its limits, and not all
+\series bold
+biblatex
+\series default
+ features are supported.
+\end_layout
+
+\begin_layout Standard
+
+\change_inserted -712698321 1484331301
+By default (with
+\begin_inset Quotes eld
+\end_inset
+
+Default
+\begin_inset Quotes erd
+\end_inset
+
+ bibliography processor set in
+\family sans
+Document\SpecialChar menuseparator
+Settings\SpecialChar menuseparator
+Bibliography
+\family default
+ and
+\begin_inset Quotes eld
+\end_inset
+
+Automatic
+\begin_inset Quotes erd
+\end_inset
+
+ bibliography processor in
+\family sans
+Tools\SpecialChar menuseparator
+Preferences\SpecialChar menuseparator
+Output\SpecialChar menuseparator
+LaTeX
+\family default
+), \SpecialChar LyX
+ selects the most appropriate (available) processor for the current bibliogra
+phy approach (
+\change_unchanged
+
+\series bold
+biber
+\change_inserted -712698321 1484331301
+
+\series default
+ for
+\change_unchanged
+
+\series bold
+biblatex
+\change_inserted -712698321 1484331301
+
+\series default
+,
+\family sans
+bibtex
+\family default
+ for Bib\SpecialChar TeX
+-based bibliography styles).
+ This should suit most needs.
+\change_unchanged
+
+\end_layout
+
+\begin_layout Standard
+
+\change_inserted -712698321 1484331395
+In Japanese documents, a specific processor is used.
+ By default, this is
+\family sans
+pbibtex
+\family default
+, a
+\family sans
+bibtex
+\family default
+ variant specifically aimed at Japanese.
+ You can adjust it in
+\family sans
+Tools\SpecialChar menuseparator
+Preferences\SpecialChar menuseparator
+Output\SpecialChar menuseparator
+LaTeX
+\family default
+.
+\change_unchanged
+
+\end_layout
+
+\begin_layout Standard
+Selected bibliography processors can be controlled with options that you
+ can add below the selection.
+ Before adding options, it is strongly recommended that you read the manual
+ of Bib\SpecialChar TeX
+ or
+\series bold
+biber
+\series default
+,
+\begin_inset CommandInset citation
+LatexCommand cite
+key "BibTeX,biber"
+literal "true"
+
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Subsubsection
+Customizing
+\end_layout