Comentario general sobre la industria del cemento
By: preparó José A. Velásquez U.
Contributors: Antioquia (Colombia : Dept.)
Publisher: Gobernación de Antioquia, Departamento Administrativo de Planeación
Published: 1968
Place of publication: Medellín
Language: spa
Number of pages: 13
Subjects: Cement industries -- Colombia -- Antioquia (Dept.)
Notes: Bibliography: leaf [14]
Cover title.