Instruction manual for indirect flare detection or the reporting of sudden ionospheric disturbances
By: by J. Virginia Lincoln
Contributors: United States. Natonal Bureau of Standards
Series: NBS Report -- 5540
Publisher: Boulder Laboratories, National Bureau of Standards, U.S. Dept. of Commerce
Published: 1957
Place of publication: Boulder, Colo
Language: eng
Subjects: Sudden ionospheric disturbances; Solar flares
Notes: "NBS project 8240-12-8240."

"November 22, 1957."