1. Metal Tube Umbilicals-Deepwater and Dynamic Considerations;Swanson,1995
2. International Standards Organization, Petroleum and Natural Gas Industries, Design and Operation of Subsea Production Systems, Part 5: Subsea Umbilicals, ISO 13628-5, (2009).
3. N. Terdre, Nexans Looking beyond Na Kika to Next Generation of Ultra-deep Umbilicals, Offshore, Volume 64, Issue 3, Mar 1, 2004, http://www.offshore-mag.com/index.
4. Integrated Production Umbilical (IPU® for the Fram Ost (20 km Tie-Back) Qualification and Testing;Heggdal,2004