Genre
Libros electrónicos
48
Electronic books
26
Electronic journals
11
Periodicals
11
Internet videos
10
Short films
10
Internet resources
9
Handbooks, manuals, etc
2
Tablas, cálculos, etc
2
Amateurs' manuals
1
Classification
1
Computer network resources
1
Designs and plans
1
Dissertations
1
Manuales
1
Périodiques
1
Study guides
1
Tables
1
Tesis inéditas
1