67996. Surface irregularities and variable mechanical properties as a cause of rail corrugations / by J.J. Kalker. - Delft : University of Technology,Department of Mathematics and Informatics, 1983. 35, [1] p.: 29 cm (Report 83. - (21)) PK : DE PATER 553

67996. Surface irregularities and variable mechanical properties as a cause of rail corrugations / by J.J. Kalker. - Delft : University of Technology,Department of Mathematics and Informatics, 1983. 35, [1] p.: 29 cm (Report 83. - (21)) PK : DE PATER 553