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010619s1972 xxu ||||| und |
| 020 |
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|a 0810804913
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| 035 |
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|a 6520943
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| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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0 |
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|a 025.333
|b Ch554c
|2 00
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| 245 |
1 |
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|a Concepts and subject headings:
|b their relation in information retrieval and library science /
|c by John M. Christ
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| 260 |
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|a Metuchen, N.J. :
|b The Scarecrow Press, Inc.,
|c 1972.
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| 300 |
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|a xiv, 174 páginas
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| 650 |
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|a ENCABEZAMIENTOS DE MATERIA
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| 650 |
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|a CIENCIAS SOCIALES
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| 949 |
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|a -Tatiana
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| 916 |
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|a Reconversión
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