סוגה
Electronic journals
85
Periodicals
81
Electronic books
65
Congresses
27
Périodiques
17
Libros electrónicos
9
Conference papers and proceedings
6
Statistics
3
Bibliography
2
Congresos y asambleas
2
Statistiques
2
Bibliographie
1
Case studies
1
Catalogs
1
Detective and mystery fiction
1
Fiction
1
Handbooks, manuals, etc
1
Logiciels
1
Newspapers
1
Poetry
1
Publicaciones periódicas
1
Sources
1