Sheleiko, T. V. “Studies of the Corrosion Damage to the I-Beam of Gondola Spine Beams Model 12-532 at the End of Their Service Life”. Science and Transport Progress , no. 21 (April 25, 2008): 29–30. Accessed November 21, 2024. https://stp.ust.edu.ua/article/view/16291.