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1Publicado 1958Materias “...Railroads Track....”
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10por Taylor, J .B. C. (James B. C.)Materias “...Railroads Curves and turnouts....”
Publicado 1980
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11por Taylor, J .B. C. (James B. C.)Materias “...Railroads Curves and turnouts....”
Publicado 1980
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13Publicado 1968Materias “...Electric railroads Congresses....”
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14Publicado 1992Materias “...Railroads Economic aspects Congresses....”
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17Publicado 1979Materias “...Railroads Freight Congresses....”
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