Los colores de la oscuridad
Subtitle: Cantabria, paraíso subterráneo
By: Francisco Fernández Ortega, María del Carmen Valls Uriol.
Contributors: Valls Uriol, Ma. del Carmen
Edition: 1. ed.
Publisher: Creática
Published: 1998
Place of publication: Santander
Language: spa
Number of pages: 206
Subjects: Caves -- Spain -- Cantabria.; Speleology -- Spain -- Cantabria.; Geology -- Spain -- Cantabria.
Notes: Includes bibliographical references (p. 205-206).