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s1960 s1960 xxu ||||| eng |
| 035 |
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|a 125966
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 041 |
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|a eng
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| 082 |
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|a 338.54
|b H914ch
|2 00
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| 100 |
1 |
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|a Hultgren, Thor
|d n. 1902
|e Autor/a
|4 aut
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| 245 |
1 |
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|a Changes in labor cost during cycles in production and business
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| 260 |
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|a New York, New York :
|b National Bureau of Economic Research,
|c 1960.
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| 300 |
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|a 85 páginas, cuadros., gráficos ;
|c 23 cm.--
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| 490 |
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|a Occasional paper
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| 504 |
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|a Bibliografia: al pie de algs. paginas.
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| 650 |
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|a TRABAJO Y TRABAJADORES
|x ESTADOS UNIDOS
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| 949 |
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|a -AG b.KV
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| 916 |
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|a Registros del LS-2000
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