2
by Halffter, Gonzalo
México : Instituto de Ecologia, 1978
Book
4
by Alvar, Manuel
[Alcalá de Henares] : Univ. de Alcalá [u.a.], [2000]
Book
16
by Cobo Borda, J. G.
In: Cuadernos hispanoamericanos, (2007), (junio 2007) 684, Seite 123-128
Article
17
by Calvo Serer, Rafael
Madrid : Rialp, 1955
Book
18
Xalapa, Veracruz : Instituto de Ecología, 1978-
Book