Genre
Libros electrónicos
258
Electronic books
103
Periodicals
63
Electronic journals
53
Internet videos
47
Short films
47
Internet resources
33
Périodiques
14
Publicaciones periódicas
13
Congresses
12
Computer network resources
5
Congresos
5
Handbooks, manuals, etc
5
Revistas electrónicas
3
Case studies
2
Libros electronicos
2
Newspapers
2
Early works to 1800
1
Ficción
1
Fiction
1
Folklore
1
Identification
1
Laboratory manuals
1
Libros electr{acute}onicos
1
Observations
1
Pollution
1
Tables
1
Textbooks
1