Hyo-Gyoung Kwak และ JoungRae Kim. (2016) Influence of span length and cross beam on load distribution factor for girder bridges. ISEC Press:ม.ป.ท.Hyo-Gyoung Kwak และ JoungRae Kim. 2016. Influence of span length and cross beam on load distribution factor for girder bridges. ม.ป.ท.:ISEC Press;Hyo-Gyoung Kwak และ JoungRae Kim. Influence of span length and cross beam on load distribution factor for girder bridges. ม.ป.ท.:ISEC Press, 2016. Print.