Gênero
Abstracts
4
Anecdotes
2
Anécdotas
1
Anuarios
32
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1
Bibliografía
6
Bibliographie
7
Bibliographies
1
Bibliography
51
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1
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1
Biografía
2
Biography
9
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2
Book reviews
11
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1
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13
Catalogues
2
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2
Computer network resources
1
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1
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1
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4
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1
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18
Data processing
1
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1
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2
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6
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1
Early works to 1800
3
Electronic books
157
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233
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1
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1
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1
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2
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1
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1
Handbooks, manuals, etc
8
Indexes
1
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1
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1
Investigación
1
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2
Libros electronicos
21
Libros electrónicos
968
Libros electr{acute}onicos
14
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1
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2
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