1. Assessment of existing steel structures: recommendations for estimation of remaining fatigue life, joint report, EUR 23252 EN—2008
2. Iswandi Imran, Dradjat Hoedajanto, Iwan Zarkasi, Bridges in Indonesia, Present and future, International Forum, JSCE Century Anniversary, Tokyo, 2014
3. Dinh Tuan Hai, Current status of existing railway bridges in Vietnam: An overview of steel deficiencies, Journal of Constructional Steel research, 2006
4. Maha M. Hassan, Sherif A. Elsawaf, Hussein H. Abbas, Existing metallic bridges in Egypt: current conditions and problems, J Civil Struct Health Monit, 2017.
5. Y. Chen, Y. Sun, Study of residual life prediction and maintenance decision-making of portal crane, Technology and Innovation Conference 2009 (ITIC 2009), International