1. Braestrup M.W, Andersen J.B, Andersen L.W, Bryndum M.B, Christensen C.J. and Rishøj N (2005). “Design and Installation of Marine Pipelines”, Blackwell Publishing,.
2. Burton RH and Craig JM (1963). “An investigation into the energy absorbing properties of metal tubes loaded in the transverse direction”. B. Sc. (Eng.) Report, University of Bristol, Bristol, U.K.
3. DNV-RP-F111 (2006). “Interference Between Trawl Gear And Pipelines”.