Genre
Libros electrónicos
324
Periodicals
228
Electronic journals
218
Electronic books
85
Périodiques
57
Congresses
9
Publicaciones periódicas
9
Libros electronicos
8
Case studies
4
Internet resources
4
Publicaciones seriadas
4
Conference papers and proceedings
3
Libros electr{acute}onicos
3
Classification
2
Congresos
2
Handbooks, manuals, etc
2
Also available electronically. After 2005, only available on the internet
1
Computer network resources
1
Databases
1
Dictionaries
1
Doctoral theses
1
Estudios de caso
1
Estudios de casos
1
Fiction
1
Historia
1
Identification
1
Indexes
1
Internet resource
1
Outlines, syllabi, etc
1
Pâeriodiques
1
Problems, exercises, etc
1
Revistes
1
Sources
1
Study and teaching
1
Tesis de doctorado
1
Yearbooks
1
czasopisma
1
methods
1
periodicals
1
périodiques
1
research
1