1. https://web.archive.org/web/20120509101231/http://2-ch.so/em/res/29285.html
2. https://web.archive.org/web/20140328165728/http://2ch.hk/em/res/102446.html
3. http://arhivach.org/thread/38704/
4. http://arhivach.org/thread/62396/
5. https://arhivach.org/thread/118588/
6. https://arhivach.org/thread/219081/