<s>
RefDB	B-Language
is	O
a	O
client/server	O
reference	B-Application
database	I-Application
and	O
bibliography	O
tool	O
for	O
markup	O
languages	O
like	O
SGML	O
,	O
XML	O
,	O
and	O
LaTeX	O
.	O
</s>
<s>
Data	O
storage	O
proper	O
is	O
done	O
in	O
one	O
of	O
several	O
supported	O
SQL	B-Language
database	I-Language
engines	O
.	O
</s>
<s>
RefDB	B-Language
runs	O
on	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
(	O
Linux	B-Application
,	O
FreeBSD	B-Operating_System
,	O
NetBSD	B-Device
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
Solaris	B-Application
)	O
and	O
on	O
Windows/Cygwin	O
.	O
</s>
<s>
RefDB	B-Language
is	O
licensed	O
under	O
the	O
GPL	B-License
.	O
</s>
<s>
The	O
data	O
storage	O
is	O
managed	O
by	O
an	O
application	O
server	B-Application
accessed	O
through	O
command-line	O
clients	O
with	O
a	O
query	O
language	O
,	O
a	O
PHP-based	O
web	O
interface	O
,	O
a	O
SRU	O
interface	O
,	O
or	O
by	O
custom	O
programs	O
using	O
one	O
of	O
the	O
available	O
client	O
libraries	B-Library
.	O
</s>
<s>
RefDB	B-Language
supports	O
such	O
bibliographic	O
formats	O
as	O
BibTeX	B-Language
,	O
Endnote	B-Library
,	O
RIS	O
,	O
ISI	O
,	O
MODS	O
XML	O
,	O
PubMed	B-Library
,	O
Medline	O
,	O
MARC	O
,	O
and	O
Copac	O
and	O
can	O
create	O
output	O
in	O
these	O
formats	O
,	O
or	O
as	O
TEI	B-Language
,	O
DocBook	B-Protocol
,	O
HTML	B-Language
,	O
or	O
XHTML	B-Language
documents	O
.	O
</s>
<s>
RefDB	B-Language
can	O
process	O
DocBook	B-Protocol
,	O
TEI	B-Language
,	O
or	O
LaTeX	O
documents	O
and	O
automatically	O
insert	O
and	O
format	O
bibliographies	O
according	O
to	O
the	O
specifications	O
of	O
a	O
journal	O
or	O
a	O
publisher	O
.	O
</s>
<s>
Text	O
editor	O
extensions	O
are	O
provided	O
for	O
Emacs	B-Application
and	O
for	O
Vim	B-Application
to	O
integrate	O
editing	O
,	O
searching	O
,	O
and	O
citing	O
references	O
as	O
well	O
as	O
transforming	O
your	O
documents	O
into	O
your	O
familiar	O
XML	O
,	O
SGML	O
,	O
or	O
LaTeX	O
authoring	O
environment	O
.	O
</s>
