http://www.21road.net/?action=index&cid=4
http://www.cnblogs.com/chengchen/archive/2008/06/16/1222862.html
http://www.mndsoft.com/blog/default.asp
http://blog.csdn.net/yefanqiu/category/183921.aspx?PageNumber=6
http://www.codeproject.com/KB/threads/smartthreadpool.aspx
http://www.bugsky.net/Index.htm