Eugen Sawin <sawine@me73.com> [Tue, 06 Jul 2010 22:51:41 +0200] rev 23
Decreased font size.
Eugen Sawin <sawine@me73.com> [Tue, 06 Jul 2010 15:27:12 +0200] rev 22
Removed missing line drawing.
Eugen Sawin <sawine@me73.com> [Tue, 06 Jul 2010 12:06:30 +0200] rev 21
Updated books.