Magnetic results from Nurmijärvi Geophysical Observatory for the years 1953, 1954, 1955
By: by E. Sucksdorff and C. Sucksdorff
Publisher: Maanmittaushallituksen Kivipaino
Published: 1958
Place of publication: Helsinki
Language: eng
Number of pages: 72
Subjects: Magnetism