(http://netanabe.blog78.fc2.com/blog-entry-680.html)

(http://dol.dengeki.com/data/news/2008/3/18/e899f7140963ef63d87924f1a345c08f.html)

(http://www.saiani.net/article/89927608.html)

(http://www.gpara.com/article/cms_show.php?c_id=6717&c_num=14)