American URSI Broadcasts of Cosmic Data, Giving American Magnetic Character-Figure, C A , Three-Hour-Range Indices, K , and Mean K -Indices, K A , For July to September, 1941

✍ Scribed by Johnston, H. F.

• Book ID: 119733499
• Publisher: American Geophysical Union
• Year: 1941
• Tongue: English
• Weight: 237 KB
• Volume: 46
• Category: Article
• ISSN: 0148-0227
• DOI: 10.1029/te046i004p00465