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20211110181825.0 |
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010522s1994 nyua 001 0 eng |
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|a 93008259
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|a DLC
|b spa
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|a HE7631
|b H44 I55
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|a 384
|2 20
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1 |
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|a Heldman, Robert K.
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245 |
1 |
0 |
|a Information telecommunications :
|b networks, products, & services /
|c Robert K. Heldman.
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260 |
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|a New York :
|b McGraw-Hill,
|c c1994.
|
300 |
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|a xiv, 393 p. :
|b il. ;
|c 24 cm.
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336 |
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|2 rdacontent
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337 |
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|2 rdamedia
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338 |
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|2 rdacarrier
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650 |
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4 |
|a Telecomunicaciones
|x Aspectos sociales.
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650 |
|
4 |
|a Redes de información
|x Aspectos sociales.
|
650 |
|
4 |
|a Ciencias de la información
|x Aspectos Sociales.
|
650 |
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4 |
|a Telecomunicaciones.
|
942 |
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|c LIBRO
|2 lcc
|