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00650nam a22002171a 4500 |
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UNA01000060473 |
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20120328191814.0 |
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080728s2001 000 0 eng d |
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|a 0807604534
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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|a 001.53
|b L536g
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|a Bertalanffy, Ludwing Von
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|a General system theory :
|b foundations, development, applications
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|a New York :
|b George Braziller ,
|c 2001
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|a 295 p. ;
|c 20 cm.
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|a CIBERNÉTICA
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|a HOMBRE
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|a CIENCIA
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|a BIOLOGIA
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|a COMUNICACION
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|a Ludwing Von, Bertalanffy
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