An experimental, comprehensive flare index and its derivation for "major" flares, 1955-1969
By: compiled by Helen W. Dodson and E. Ruth Hedeman
Contributors: Hedeman, E. Ruth; IGY World Data Center A: Upper Atmosphere Geophysics; United States. National Oceanic and Atmospheric Administration
Series: Report UAG -- 14
Publisher: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Data Service
Published: 1971
Place of publication: Asheville, N.C
Language: eng
Number of pages: 25
Subjects: Solar flares; Solar activity; Charts, diagrams
Notes: "April 1971."

At head of title: World Data Center A: Upper Atmosphere Geophysics.