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|a Proyecto Huarpe
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|a 9507014144
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|a CIENCIAS naturales y tecnología :
|b 8 EGB /
|c Silvana Perlmuter...(et al.).
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|a Buenos Aires :
|b Aique,
|c 1998.
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|a 574.07
|2 20 EN
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|a CIENCIAS NATURALES-LIBROS DE TEXTO
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|a TECNOLOGIA-LIBROS DE TEXTO
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|c 28 cm.
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