1. Bibliography on Corrugation of Rails, Research Deptartment Library, Derby, 1954, 1961, 1977.
2. M. Birmann, Schienenriffeln, ihre Erforschung und Verhütung, Neueres aus der Riffelforschung der Deutschen Bundesbahn, Teil I. Schwingungsuntersuchungen, Teil II. Werkstoffuntersuchungen (English title: Rail Corrugation, Research and Preventive Measures: new results from corrugation research at DB, Part I. Vibrational Investigations, Part II. Material investigations), VDI Z. 26 (1958.9) and 30 (1958.10).
3. Y. Satoh, Study on Rail Corrugation, Tetsudo Senro 9–4 (5) (1961) (in Japanese).
4. N.C. Vogan, Question 9, Experience Obtained Concerning the Undulatory Wear of Rails, Monthly Bulletin of the International Railway Congress Association, Bulletin of IRCA (1958.5).
5. L.P. Delgado, Question 9, Experience Obtained Concerning the Undulatory Wear of Rails, Bulletin of IRCA (1958.6).