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00685nam a2200205 u 4500 |
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20201113074615.0 |
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020305s1964 ||||| eng |
| 035 |
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|a 6823453
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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 547.072
|b H476s
|2 00
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| 100 |
1 |
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|a Helmkamp, George K.
|e Autor/a
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| 245 |
1 |
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|a Selected experiments in organic chemistry /
|c by George K. Helmkamp and Harry W. Johnson.
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| 260 |
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|a San Francisco :
|b W.H. Freeman,
|c 1964.
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| 300 |
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|a 151 páginas :
|b ilustraciones.
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| 650 |
0 |
7 |
|a QUIMICA ORGANICA
|x CLASIFICACION
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| 700 |
1 |
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|a Johnson, Harry William
|d 1927-
|e Autor/a
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| 949 |
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|a -EMB
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| 916 |
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|a Reconversión
|