Genre
Libros electrónicos
504
Periodicals
254
Electronic journals
132
Publicaciones periódicas
119
Electronic books
68
Périodiques
38
Revistas electrónicas
35
Internet resources
23
Libros electronicos
16
Classification
6
Internet videos
5
Short films
5
Computer network resources
4
Congresses
4
Handbooks, manuals, etc
4
Congresos
3
Identification
3
Case studies
2
Catalogs
2
Early works to 1800
2
Data processing
1
In Art
1
Internet resource
1
Libros de texto, manuales, etc
1
Nomenclature
1
Periodical
1
Statistics
1
Tables
1
Tesis
1
Textbooks
1
Theses
1