Nobrega, J., D. Silva, B. Araujo, R. Melo, T. Maciel, A. Silva, and N. Santos. “Numerical Evaluation of Multipass Welding Temperature Field in API 5L X80 Steel Welded Joints”. The International Journal of Multiphysics, vol. 8, no. 3, Sept. 2014, pp. 337-48, doi:10.1260/1750-9548.8.3.337.