1. A report on some power spectral measurements of vertical rail irregularities;Gilchrist;British Railway Research Department, Derby, England,1965
2. Methods of statistical and dynamical stresses in rails;Timoshenko,1926
3. Infinitely resiliently supported beams excited by an evenly proceeding load;Dörr;Zeitschrift Ingenieur Archiv,1943
4. The dynamics of a resiliently supported infinite beam;Dörr;Zeitschrift Ingenieur Archiv,1948
5. Experimental investigation of the dynamical behavior of railroad tracks;Naake;Acoustica,1953