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|a AR-LpUBP
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| 100 |
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|a Ortega Díaz, Alfredo
|9 41960
|
| 245 |
1 |
0 |
|a Ferrocarriles colombianos :
|b Legislación ferroviaria
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| 260 |
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|a Bogotá :
|b Imp. Nacional,
|c 1949.
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| 300 |
|
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|a 129 p. ;
|c 18 cm.
|
| 490 |
0 |
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|a Biblioteca de Historia Nacional ;
|v 80
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| 500 |
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|a Bibl. de historia nacional. Vol. 80
|
| 942 |
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|c 34
|d Miguel Kiperszmid
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|z a
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