http://gigazine.net/news/20130202-books-in-library/

http://it.slashdot.jp/story/13/02/08/0553221/%E4%B8%80%E5%A4%AA%E9%83%8E2013-%E7%8E%84-%E6%9C%AC%E6%97%A5%E7%99%BA%E5%A3%B2

http://gigazine.net/news/20130205-book-sculptures/

http://headlines.yahoo.co.jp/hl?a=20130208-00000006-asahik-soci

http://headlines.yahoo.co.jp/hl?a=20130208-00000204-mailo-l44

http://headlines.yahoo.co.jp/hl?a=20130208-00000033-asahi-soci