Derechos de autor 1986 Juan Carlos Domínguez Fernández de Tejerina, Luis Anel Rodríguez, T. Martínez Sánchez
Except where otherwise noted, this item's license is described as Derechos de autor 1986 Juan Carlos Domínguez Fernández de Tejerina, Luis Anel Rodríguez, T. Martínez Sánchez