Genre
Libros electrónicos
220
Periodicals
93
Publicaciones Seriadas
75
Publicaciones periódicas
16
Electronic books
15
Early works to 1800
3
Pre-Linnean works
3
Catalogs
2
Congresses
2
Publicaciones seriadas
2
Bibliography
1
Biography
1
Classification
1
Computer network resources
1
Conference papers and proceedings
1
Handbooks, manuals, etc
1
Identification
1
Libros de texto
1
Libros de texto, manuales, etc
1
Libros electronicos
1
Libros electr{acute}onicos
1
Outlines, syllabi, etc
1
Textbooks
1