See the following linke:
http://www.ikhwanwiki.com/index.php?title=%D9%85%D9%85%D8%AF%D9%88%D8%AD_%D9%85%D8%B5%D8%B7%D9%81%D9%89_%D8%AD%D9%84%D8%A7%D9%88%D8%A9
and
http://kbret.net/Arabic/Alawaal/Show_Article.php?article_id=95&user_id=356&topic_cat=exl
and
http://www.uoh4u.com/vb/showthread.php?t=26205&highlight=%E3%E3%CF%E6%CD+%CD%E1%C7%E6%E5
