Experts Argue Over Korea-Japan Undersea Tunnel (revised), Digital Chosun Ilbo, English Edition, May 11, 2007. Note: When originally issued, this article erroneously stated a container dimension of "20 cubic feet". The Digital Chosun Ilbo's editorial staff subsequently revised the description to read "a container (20 feet)", meaning a "20 foot length container". The revised article was posted online between April 10 and 22, 2009; however. the article's date was unrevised and the revision was not further noted.
Hogan, George (2009) Korea-Japan Tunnel, retrieved February 20, 2021 from The Korea Times online, March 12, 2009 (article provides commentary on the potential benefits to the tourism industry)
