Gênero
Libros electrónicos
78
Electronic books
48
Periodicals
29
Electronic journals
14
Publicaciones periódicas
12
Périodiques
3
Book reviews
2
Congresses
2
Biographies
1
Biography
1
Conference papers and proceedings
1
Congresos
1
Libros electronicos
1
Notebooks, sketchbooks, etc
1
Revistas electrónicas
1
Statistics
1
Statistiques
1