Genre
Libros electrónicos
206
Electronic journals
148
Periodicals
135
Electronic books
21
Périodiques
12
Newspapers
9
Libros electronicos
6
Revistas electrónicas
3
Periodical
2
Publicaciones periódicas
2
Statistics
2
Congresos
1
Congresses
1
Handbooks, manuals, etc
1
Libros electr{acute}onicos
1
periodicals
1