Latest annual values of the magnetic elements at observatories

✍ Scribed by Fleming, J. A.; Wallis, W. F.

• Book ID: 119731579
• Publisher: American Geophysical Union
• Year: 1915
• Tongue: English
• Weight: 216 KB
• Volume: 20
• Category: Article
• ISSN: 0148-0227
• DOI: 10.1029/te020i003p00131