Review of German standard tests and of opinions expressed by authorities of various countries on methods of testing and specifying rock materials used in railroad tracks.
Testing and rating of track ballast
Pruefung und Bewertung von Gleisbettungsstoffen
Organ fuer die Fortschritte des Eisenbahnwesens ; 85 , n 19
1930
7 pages
2 Figs.
Aufsatz (Zeitschrift)
Deutsch
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