diff --git a/bib-refs.bib b/bib-refs.bib
index d7efc0c..11f5dfd 100644
--- a/bib-refs.bib
+++ b/bib-refs.bib
@@ -1,18 +1,5 @@
-%% This BibTeX bibliography file was created using BibDesk.
-%% http://bibdesk.sourceforge.net/
-
-
-%% Created for Ricardo Langner at 2011-05-27 13:40:00 +0200 
-
-
-%% Saved with string encoding Unicode (UTF-8) 
-
-
-
 @online{WEB:GNU:GPL:2010,
 	Author = {{Free Software Foundation, Inc.}},
-	Date-Added = {2011-05-27 13:38:31 +0200},
-	Date-Modified = {2011-05-27 13:39:24 +0200},
 	Title = {GNU General Public License},
 	Url = {http://www.gnu.org/licenses/gpl.html},
 	Urldate = {2011-05-27},
@@ -20,8 +7,6 @@
 
 @online{WEB:Miede:2011,
 	Author = {Andr{\'e} Miede},
-	Date-Added = {2011-05-27 13:35:41 +0200},
-	Date-Modified = {2011-05-27 13:37:15 +0200},
 	Title = {A Classic Thesis Style by Andr{\'e} Miede},
 	Url = {http://www.miede.de/index.php?page=classicthesis},
 	Urldate = {2011-05-27},
@@ -29,60 +14,40 @@
 
 @book{Jurgens:2000,
 	Author = {Manuela J{\"u}rgens},
-	Date-Added = {2011-05-27 13:34:22 +0200},
-	Date-Modified = {2011-05-27 13:34:59 +0200},
 	Publisher = {FernUniversit{\"a}t Gesamthochschule in Hagen},
 	Title = {LaTeX: eine Einf{\"u}hrung und ein bisschen mehr},
 	Year = {2000}}
 
 @book{Jurgens:1995,
 	Author = {Manuela J{\"u}rgens},
-	Date-Added = {2011-05-27 13:32:40 +0200},
-	Date-Modified = {2011-05-27 13:34:17 +0200},
 	Publisher = {FernUniversit{\"a}t Gesamthochschule in Hagen},
 	Title = {LaTeX: Fortgeschrittene Anwendungen},
 	Year = {1995}}
 
 @manual{Miede:2011,
 	Author = {Andr{\'e} Miede},
-	Date-Added = {2011-05-27 13:29:22 +0200},
-	Date-Modified = {2011-05-27 13:30:39 +0200},
 	Title = {A Classic Thesis Style: An Homage to The Elements of Typographic Style},
 	Year = {2011}}
 
 @book{Kohm:2011,
 	Author = {Markus Kohm and Jens-Uwe-Morawski},
-	Date-Added = {2011-05-27 13:27:35 +0200},
-	Date-Modified = {2011-05-27 13:28:22 +0200},
 	Title = {KOMA-Script: Die Anleitung},
 	Year = {2011}}
 
 @book{Apple:keynote:2010,
 	Author = {{Apple Inc.}},
-	Date-Added = {2011-03-21 17:19:42 +0100},
-	Date-Modified = {2011-03-21 17:19:42 +0100},
 	Publisher = {{Apple Inc.}},
 	Title = {Keynote '09 User Guide},
-	Year = {2010},
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+	Year = {2010}}
 
 @book{Apple:numbers:2010,
 	Author = {{Apple Inc.}},
-	Date-Added = {2011-03-21 17:19:42 +0100},
-	Date-Modified = {2011-03-21 17:19:42 +0100},
 	Publisher = {{Apple Inc.}},
 	Title = {Numbers '09 User Guide},
-	Year = {2010},
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+	Year = {2010}}
 
 @book{Apple:pages:2010,
 	Author = {{Apple Inc.}},
-	Date-Added = {2011-03-10 10:56:56 +0100},
-	Date-Modified = {2011-03-10 10:56:56 +0100},
 	Publisher = {{Apple Inc.}},
 	Title = {Pages '09 User Guide},
-	Year = {2010},
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+	Year = {2010}}