1. Jimenez–Redondo, N., Bosso, N., Zeni, L., Minardo, A., Schubert, F., Heinicke, A.: Simrothhubert Automated and Cost Effective Maintenance for Railway (ACEM-Rail). In: Procedia: Social & Behavioral Sciences, vol. 48, pp. 1058–1067 (2012)
2. Jemec, V., Grum, J.: Automated Non-Destructive Testing and Measurement Systems for Rails, ECNDT 2010 (2010)
3. Markov, A.A., Shpagin, D.A.: Ultrasonic rail defectoscopy. In: Education – Culture, 2nd edn., pp. 284–441. St-Petersburg (2013) (in Russian)
4. Shilov, M.N.: Methodological and algorithmical founation and software for registration and analysis of defectograms at ultrasonic rail inspection. PhD thesis, St-Petersburg, 153 p. (2007)
5. Heckel, T., Thomas, H., Kreutzbruck, M., Rühe, S.: High Speed Non-Destructive Rail Testing with Advanced Ultrasound And Eddy-Current Testing Techniques. In: Indian National Seminar & Exhibition on Non-Destructive Evaluation, NDE 2009, December 10-12 (2009)