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00741nam a2200205 u 4500 |
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s1967 s1967 xxu ||||| eng |
| 035 |
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|a 121982
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| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 041 |
0 |
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|a eng
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| 082 |
0 |
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|a 331.11
|b E79a
|2 00
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| 110 |
2 |
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|a Estados Unidos.
|b National Science Foundation
|e Autor/a
|4 aut
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| 245 |
1 |
0 |
|a American science manpower, 1966 :
|b a report of the National Register of Scientific and Technical Personnel.
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| 260 |
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|a Washington :
|b U.S. Government Printing Office,
|c 1967.
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| 300 |
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|a 221 páginas, cuadros :
|b ilustraciones ;
|c 26 cm.--
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| 490 |
0 |
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|a NSF 68-7
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| 650 |
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|a MANO DE OBRA
|x ESTADOS UNIDOS
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| 949 |
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|a -ME
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| 916 |
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|a Registros del LS-2000
|