Genre
Libros electrónicos
620
Periodicals
125
Electronic books
94
Publicaciones periódicas
60
Electronic journals
46
Périodiques
8
Congresses
5
Libros electr{acute}onicos
5
Libros electronicos
4
Bibliographie
2
Bibliography
2
Congresos
2
Handbooks, manuals, etc
2
Revistas electrónicas
2
Collections
1
Computer network resources
1
Directories
1
Handbooks and manuals
1
Manuales, etc
1