I wrote an article for Citizendium on this subject that can be merged in here if any of it might be useful. For the most part I think this article is pretty good though it needs more sources. Here's the one I wrote:
I'm not going to try and merge mine in since this one, like I said, is passable, I'll just mention it for now, since the one I wrote was very good also. --[[User:Jzyehoshua|Jzyehoshua]] 03:09, 21 July 2012 (EDT)