La Ruhr
Subtitle: du Kohlenpott à la région urbaine
By: par Jean-Marc Holz.
Series: Bordas études : Économie
Publisher: Bordas
Published: 1977
Place of publication: Paris
Language: fre
Number of pages: 143
Subjects: Industries -- Germany -- Ruhr (Region) -- History.; Ruhr (Germany : Region) -- Economic conditions.
Notes: Bibliography: p. [134]-138.