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|a U@S
|b spa
|c U@S
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| 049 |
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|a U@SA
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| 050 |
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4 |
|a Z711.45
|b .B75 2005
|
| 100 |
1 |
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|a Rodríguez Briz, Fernanda,
|d 1969-
|
| 245 |
1 |
4 |
|a Los servicios de referencia virtual :
|b surgimiento, desarrollo y perspectivas a futuro /
|c Fernanda Rodríguez Briz.
|
| 250 |
|
|
|a 1. ed.
|
| 260 |
|
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|a Buenos Aires :
|b Alfagrama,
|c 2005.
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| 300 |
|
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|a 156 p. :
|b il. ;
|c 22 cm.
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| 504 |
|
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|a Incluye referencias bibliográficas (p. 143-156).
|
| 650 |
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0 |
|a Electronic reference services (Libraries)
|
| 650 |
|
0 |
|a Internet in library reference services.
|
| 650 |
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0 |
|a Reference services (Libraries)
|x Information technology.
|