Genre
Periodicals
1,642
Electronic journals
1,619
Electronic books
374
Internet resources
247
Périodiques
218
Newspapers
41
Computer network resources
37
Congresses
24
Handbooks, manuals, etc
22
Amateurs' manuals
9
Case studies
7
Outlines, syllabi, etc
6
Directories
4
Formulae
4
Tables
4
Statistics
3
Study guides
3
czasopisma
3
Abstracts
2
Catalogs
2
Comptes rendus
2
Designs and plans
2
Périodique électronique (Descripteur de forme)
2
Problems, exercises, etc
2
Ressource Internet (Descripteur de forme)
2
Reviews
2
periodika
2
Classification
1
Dictionaries
1
Early works to 1800
1
Formulae, receipts, prescriptions
1
Interviews
1
Popular works
1
Publicaciones periódicas
1
Specifications
1
Statistiques
1
Terminology
1
Textbooks
1
Tidsskrifter
1
Zeitschrift
1
periodicals
1