A comparison of cost of construction and maintenance. (2800 w.) (No. 43980 G)
Wooden sleepers or iron sleepers
Bul Int Ry Cong
1913
Aufsatz (Zeitschrift)
Englisch
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Wooden sleepers or iron sleepers
Engineering Index Backfile | 1914
|Iron sleepers and wooden sleepers
Engineering Index Backfile | 1909
Wooden sleepers or iron sleepers
Engineering Index Backfile | 1913
|I. Wooden sleepers or iron sleepers
Engineering Index Backfile | 1913
|Engineering Index Backfile | 1954