乱谈zip、rar文件格式

http://wenku.baidu.com/view/b9cc1a3667ec102de2bd8996.html

http://wenku.baidu.com/view/b7889b64783e0912a2162aa4.html

http://www.cnblogs.com/shenhaocn/archive/2010/01/13/1646510.html

WinRAR and RAR archiver addons

http://www.rarlab.com/rar_add.htm

https://github.com/jukka/java-unrar

http://code.google.com/p/java-unrar/

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