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00900nam a2200217 u 4500 |
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20110720143301.0 |
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s1979 s1979 xxu ||||| eng |
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|a 0-309-02966-X
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|a 135251
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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|a eng
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|a 625.7
|b N277co
|2 00
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|a National Research Council (Estados Unidos).
|b Transportation Research Board
|e Autor/a
|4 aut
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|a Conservacion de caminos sin pavimentar /
|c Transportation Research Board, Commission on Sociotechnical Systems, National Research Council. --
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|a Washington :
|b National Academy of Sciences,
|c 1979.
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| 300 |
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|a vi, 52 páginas :
|b ilustraciones ;
|c 28 cm.--
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| 490 |
0 |
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|a Apoyo de tecnologia de transporte para paises en desarrollo ;
|v 1)
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| 650 |
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|a CAMINOS
|x MANTENIMIENTO Y REPARACION
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| 949 |
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|a L.Q.-MEb b HC
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| 916 |
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|a Registros del LS-2000
|