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00810nam a2200205 u 4500 |
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20170622154524.0 |
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160906s1977 xxu ||||| eng |
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|a 87860
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| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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|a eng
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0 |
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|a 621.33
|b N277r
|2 00
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| 110 |
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|a National Research Council (Estados Unidos).
|b Transportation Research Board
|e Autor/a
|4 aut
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|a Railroad electrification /
|c National Research Council, Transportation Research Board.
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| 260 |
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|a Washington :
|b National Academy of Sciences,
|c 1977.
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| 300 |
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|a 85 páginas :
|b ilustraciones ;
|c 28 cm.
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| 490 |
0 |
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|a Special report Transportation Research Board, National Research Council
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| 650 |
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|a ELECTRIFICACION DE FERROCARRILES
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| 949 |
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|a Y.V.-LA b HC
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| 916 |
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|a Registros del LS-2000
|