@book{ williams02,
author = {Sam Williams},
title = {Free as in freedom: Richard Stallman's crusade for free software},
publisher = {O'Reilly},
year = { 2002},
isbn = {978-1-449-32464-3},
url = {http://oreilly.com/openbook/freedom/},
urldate = {2014-02-23},
note = {[Lizenz: GDFL 1.1+]. ISBN: 978-1-449-32464-3},
}

@book{ spiegel06,
author = {André Spiegel},
title = {Die Befreiung der Information: GNU, Linux und die Folgen},
publisher = {Matthes \& Seitz},
address = {Berlin},
year = {2006},
isbn = {978-3-88221-879-4},
url = {http://die-befreiung-der-information.de/online/},
urldate = {2014-02-23},
note = {[Lizenz: CC BY-NC-ND 2.0 DE]. ISBN: 978-3-88221-879-4},
}

@misc{ fsf-def,
title = {What is free software?},
howpublished = {Free Software Foundation},
url = {http://www.gnu.org/philosophy/free-sw.html},
urldate = {2014-02-23},
year = {Version 1.130},
note = {[Lizenz: CC BY-ND 3.0 US]},
}

@misc{ selling-fs,
title = {Selling Free Software},
howpublished = {Free Software Foundation},
year = {Version 1.45},
url = {http://www.gnu.org/philosophy/selling.html},
urldate = {2014-02-23},
note = {[Lizenz: CC BY-ND 3.0 US]},
}

@misc{ perens-fs,
title = {It's Time to Talk About Free Software Again},
author = {Bruce Perens},
booktitle = {Debian-Devel-Mailingliste},
year = {1999},
note = {Message-Id: <199902180329.TAA09774 @k6bp.hams.com>},
url = {https://lists.debian.org/debian-devel/1999/02/msg01641.html},
urldate = {2014-02-23},
}

@misc{ fsf-licenses,
title = {Various licenses and comments about them},
year = {Version 1.391},
howpublished = {Free Software Foundation},
url = {http://www.gnu.org/licenses/license-list.html},
urldate = {2014-02-23},
note = {[Lizenz: CC BY-ND 3.0 US]},
}

@misc{ floss-foss,
title = {FLOSS and FOSS},
author = {Richard Stallman},
howpublished = {Free Software Foundation},
year = {Version 1.9},
url = {http://www.gnu.org/philosophy/floss-and-foss.html},
urldate = {2014-02-23},
note = {[Lizenz: CC BY-ND 3.0 US]},
}

@misc{ gpl,
title = {GNU General Public License},
howpublished = {Free Software Foundation},
year = {2007},
url = {http://www.gnu.org/licenses/gpl.html},
urldate = {2014-02-23},
note = {[Lizenz: ``Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.'']},
}

@misc{ copyleft,
title = {What is Copyleft?},
howpublished = {Free Software Foundation},
year = {Version 1.91},
url = {http://www.gnu.org/copyleft/copyleft.html},
urldate = {2014-02-23},
note = {[Lizenz: CC BY-ND 3.0 US]},
}

@misc{ osi-def,
title = {Open Source Definition},
howpublished = {Open Source Initiative},
url = {http://opensource.org/osd},
urldate = {2014-02-23},
note = {[Lizenz: CC BY 3.0]},
}

@misc{ osi-faq,
title = {Frequently Answered Questions},
howpublished = {Open Source Initiative},
url = {http://opensource.org/faq},
urldate = {2014-02-23},
note = {[Lizenz: CC BY 3.0]},
%K faq osi
}

@misc{ dfsg,
title = {Debian Free Software Guidelines},
howpublished = {The Debian Project},
year = {2004},
url = {https://www.debian.org/social_contract#guidelines},
urldate = {2014-02-23},
%K dfsg
}

@misc{ dsc,
title = {Debian Social Contract},
howpublished = {The Debian Project},
year = {2004},
url = {https://www.debian.org/social_contract},
urldate = {2014-02-23},
%K dsc
}

@misc{ budapest02,
title = {Budapest Open Access Initiative},
year = {2002},
url = {http://www.budapestopenaccessinitiative.org/read},
urldate = {2014-02-23},
note = {[Lizenz: CC BY 3.0]},
%K boai orginal
}

@misc{ budapest12,
title = {Ten years on from the Budapest Open Access Initiative:
setting the default to open},
howpublished = {Budapest Open Access Initiative},
year = {2012},
url = {http://www.budapestopenaccessinitiative.org/boai-10-recommendations},
urldate = {2014-02-23},
note = {[Lizenz: CC BY 3.0]},
%K boai10a
}

@misc{ berlin03,
title = {Berlin Declaration on Open Access to Knowledge in the Sciences
and Humanities},
year = {2003},
url = {http://openaccess.mpg.de/3515/Berliner_Erklaerung},
urldate = {2014-02-23},
}

@misc{ bethesda03,
title = {Bethesda Statement on Open Access Publishing},
year = {2003},
%url = {http://legacy.earlham.edu/~peters/fos/bethesda.htm},
url = {http://en.wikisource.org/wiki/Bethesda_Statement_on_Open_Access_Publishing},
urldate = {2014-02-23},
}

@misc{ perens-stand-together,
title = {Free Software Leaders Stand Together},
author = {Bruce Perens},
year = {2001 oder früher},
url = {http://en.wikisource.org/wiki/Free_Software_Leaders_Stand_Together},
urldate = {2014-02-23},
}

@misc{ fcw-def,
title = {Definition of Free Cultural Works},
year = {2008},
url = {http://freedomdefined.org/Definition},
urldate = {2014-02-23},
note = {[Lizenz: CC BY 2.5]},
%K fcw
}

@misc{ fcw-licenses,
title = {Licenses},
howpublished = {Free Cultural Works},
year = {2013},
url = {http://freedomdefined.org/Licenses},
urldate = {2014-02-23},
note = {[Lizenz: CC BY 2.5]},
}