In case this is not legally possible: Vkchang grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Original upload log
The original description page was here. All following user names refer to en.wikibooks.
{{Information |Description={{en|''no original description''}} |Source=Transferred from [http://en.wikibooks.org en.wikibooks]; transferred to Commons by User:QuiteUnusual using [http://tools.wikimedia.de/~magnus/commonshelper.php CommonsHelper]. |Date