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20110720143301.0 |
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950111s1980 xxu ||||| eng |
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|a 35678
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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|a eng
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| 082 |
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|a 333.791.3
|b E79c
|2 00
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| 110 |
2 |
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|a Estados Unidos.
|b Department of Agriculture
|e Autor/a
|4 aut
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| 245 |
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|a Cutting energy cost :
|b the 1980 yearbook of agriculture /
|c U.S. Department of Agriculture. --
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| 260 |
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|a Washington :
|b U.S. Government Printing Office,
|c 1980.
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| 300 |
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|a x, 397 páginas :
|b ilustraciones
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| 650 |
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|a CONSERVACION DE LA ENERGIA
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| 650 |
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|z ESTADOS UNIDOS
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| 650 |
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|v PROGRAMAS
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| 650 |
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|a FUERZA Y ENERGIA
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| 650 |
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|x COSTOS
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| 912 |
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|a 20-JUL-2011 - BERMUDEZ RUIZ, AURORA
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| 949 |
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|a LM-IR b.LM
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| 916 |
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|a Registros del LS-2000
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