Carta nacional de declinaciones magnéticas
Subtitle: hoja especial del territorio peninsular ; escala 1:1,500.000
By: por José Cubillo Fluiters.
Contributors: Cubillo Fluiters, José
Publisher: The Institute]
Published: 1950
Place of publication: [Madrid
Language: spa
Subjects: Magnetism, Terrestrial -- Spain
Table of contents: value: [1] Texto.; value: [2] Láminas.