Excursion[es
Subtitle: libretos-guía] C.
Contributors: Spain. Instituto Geológico y Minero
Publisher: [Instituto Geológico de España]
Published: 1926
Place of publication: Madrid
Language: spa
Subjects: Geology -- Congresses; Geology -- Spain -- Congresses
Notes: Excursion 5, v. 1 has on t.p.: Excursión X-5.

Includes bibliographies.