This first article of a series discusses labor problem. (Serial, 1st part) (2500 w.) (No. 65243)
Track maintenance
Ry Rev
1915
Aufsatz (Zeitschrift)
Englisch
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IuD Bahn | 2011
|Springer Verlag | 2013
|Engineering Index Backfile | 1965
Engineering Index Backfile | 1912
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