El siglo XXI
By: [Manuel Lloris.].
Series: Biblioteca Salvat de grandes temas ; 49
Publisher: Salvat
Published: 1974
Place of publication: Barcelona
Language: spa
Number of pages: 143
Subjects: Twenty-first century -- Forecasts.
Other titles: Siglo veintiuno; Siglo 21
Notes: Bibliography: p. [142]