Comparison of Dutch and German practice.
Railroads grade crossings
De gelijkvloersche kruising van weg en spoorweg
Ingenieur ; 44 , n 12
1929
Aufsatz (Zeitschrift)
Niederländisch
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Transmission line crossings over railroads
Engineering Index Backfile | 1908
|Railroads work to make crossings safer, smoother
British Library Online Contents | 1999