Copied and pasted from various Wikipedia articles ==  This article or section appears to have been copied and pasted from various Wikipedia articles, possibly in violation of a copyright. This has occurred Sept 2008, when this article was created by me.   I apologize for all inconvenience I have caused here, see also here. If you would like to assist in improving this article, please let me know. I can use all the help I can get. Thank you.       == 