Roberto Valera
By: realización y prólogo, Victoria Eli Rodríguez ; edición, José Amer
Contributors: Amer, José
Series: Catálogos de compositores
Publisher: Fundación Autor
Published: 1998
Place of publication: Madrid
Language: spa
Number of pages: 103
Subjects: Bibliography
Notes: Includes discography (p. 94-95) and bibliographical references (p. 96-99).

In Spanish with some sections also in English.