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00897nam a2200217 u 4500 |
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000438420 |
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20201208081416.0 |
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060817 ||||| und |
| 035 |
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|a 8606473
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| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 082 |
0 |
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|a 371.33
|b U58u
|2 21
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| 100 |
1 |
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|a Harper, Ray
|e Director/a
|4 drt
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| 245 |
1 |
0 |
|a Conservations laws /
|c writer Ted Boniface ; editors Shawn Rafke, Jim Simpson ; director Ray Harper ; producer Michele Boniface.
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| 500 |
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|a Doblado al español--(27 min., 09 seg.) de imágenes en movimiento--"Produced for Alberta education by Access"
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| 520 |
3 |
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|a Expone y ejemplifica las leyes de conservación de la materia.
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| 650 |
0 |
7 |
|a MATERIA
|x PROPIEDADES
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| 773 |
0 |
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|7 nnam
|t Unitedstreaming
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| 912 |
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|a 08-SEP-2006 - ROJAS SOTO, ANA EUDITH
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| 917 |
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|a 17-AUG-2006 - SANCHEZ VELASQUEZ, AURA
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| 949 |
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|a AE -ASV
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| 916 |
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|a Centro Catalográfico
|