סוגה
Libros electrónicos
695
Electronic books
132
Periodicals
31
Publicaciones seriadas
31
Libros electronicos
8
Congresses
6
Libros electr{acute}onicos
4
Conference papers and proceedings
3
Biography
2
Biografía
1
Case studies
1
Catalogs
1
Commentaries
1
Congresos
1
Controversial literature
1
Dictionaries
1
Early works to 1800
1
Interviews
1
Popular works
1