Genre
Congresses
168
Electronic books
122
Libros electrónicos
64
Conference papers and proceedings
40
Congresos
29
Libros electronicos
4
Electronic journals
2
Libros electr{acute}onicos
2
Congresos y asambleas
1
Congresos, conferencias, etc
1
Drama
1
Essays
1
Periodicals
1
Poems
1
Short stories
1
Sources
1