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00716nam a2200205 u 4500 |
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20170703154228.0 |
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160906s1976 xxu ||||| eng |
| 035 |
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|a 133599
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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 |
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|a 621.385.7
|b E38e
|2 00
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| 245 |
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|a Electronic switching, central office systems of the world /
|c edited by Amos E. Joel. --.
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| 260 |
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|a New York, New York :
|b Institute of Electrical and Electronics Engineers,
|c 1976.
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| 300 |
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|a vii, 279 páginas :
|b ilustraciones ;
|c 29 cm.
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| 650 |
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|a TELEFONOS
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| 650 |
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|a CENTRALES TELEFONICAS
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| 700 |
1 |
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|a Joel, Amos E.
|e Editor/a
|4 edt
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| 949 |
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|a YV-LM b.LM
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| 916 |
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|a Registros del LS-2000
|