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941213s1957 xxu ||||| eng |
| 035 |
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|a 35198
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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 371.33
|b W832a2
|2 00
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| 100 |
1 |
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|a Wittich, Walter Arno
|d 1910-
|e Autor/a
|4 aut
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| 245 |
1 |
0 |
|a Audio-visual materials :
|b their nature and use /
|c by Walter Arno Wittich and Charles Francis Schuller. --
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| 250 |
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|a 2. edition --
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| 260 |
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|a New York, New York :
|b Harper,
|c 1957.
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| 300 |
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|a xxviii, 570 páginas :
|b ilustraciones
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| 490 |
0 |
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|a Exploration series in education
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| 650 |
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|a MATERIALES AUDIOVISUALES
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| 700 |
1 |
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|a Schuller, Charles Francis
|e Autor/a
|4 aut
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| 949 |
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|a -MR B MR
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| 916 |
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|a Registros del LS-2000
|