Updating bibliographic info

git-svn-id: svn+ssh://code.matforge.org/fipy/trunk@1844 d80e17d7-ff13-0410-a124-85740d801063

documentation/manual/refs.bib

@@ -274,11 +274,13 @@ @misc{FiPyDownload
 }
 
 @misc{EnthonWindows,
+   note = {Enthought Edition of Python for Windows and Linux},
    url = {https://www.enthought.com/python/}
 }
 
 @misc{EnthonMacOSX,
-   url = {http://www.scipy.org/wikis/featurerequests/MacEnthon}
+   note = {Enthought Edition of Python for Mac OS X},
+   url = {http://old.scipy.org/wikis/featurerequests/MacEnthon}
 }
 
 @misc{PythonDownload,
@@ -297,10 +299,13 @@ @misc{SciPyDownload
 }
 %    url = {http://www.scipy.org/download/}
 
-@misc{SubversionRedBean,
+@book{SubversionRedBean,
+   author =    {Ben Collins-Sussman and Brian W. Fitzpatrick and C. Michael Pilato},
+   title =     {Version Control with Subversion},
+   publisher = {O'Reilly Media},
+   year =      2004,
    url = {http://svnbook.red-bean.com}
 }
-
 @misc{SourceForgeCVS,
    url = {http://sourceforge.net/cvs/?group_id=118428}
 }