Жанр
Electronic journals
1,614
Periodicals
1,547
Périodiques
198
Newspapers
41
Congresses
22
Electronic books
19
Directories
4
Statistics
3
czasopisma
3
Abstracts
2
Amateurs' manuals
2
Case studies
2
Catalogs
2
Comptes rendus
2
Designs and plans
2
Reviews
2
periodika
2
Specifications
1
Statistiques
1
Tidsskrifter
1
Zeitschrift
1
periodicals
1