1. Under Ice: Waldo Lyon and the Development of the Arctic Submarine;Leary,1999
2. The History of American Deep Submersible Operations;Forman,1999
3. Costa Concordia Disaster. Available at: https://en.wikipedia.org/wiki/Costa_Concordia.
4. Sinking of MV Sewol. Available at: https://en.wikipedia.org/wiki/Sinking_of_the_MV_Sewol.
5. Maritime Incident Report USS John S. McCain. Available at: http://www.ntsb.gov/investigations/accidentreports/reports/mar1901.pdf.