Estimating sunspot number
By: by Robert M. Wilson, Edwin J. Reichmann and Dieter L. Teuber
Contributors: Reichmann, Edwin J; Teuber, Dieter L; George C. Marshall Space Flight Center
Series: NASA technical memorandum -- 86471
Publisher: National Aeronautics and Space Administration, George C. Marshall Space Flight Center; For sale by National Technical Information Service
Published: 1984
Place of publication: [Marshall Space Center, Ala.?]; [Springfield, Va
Language: eng
Format: Microform
Subjects: Sunspots
Notes: "October 1984."

"N85-10896"--Microfiche header

Bibliography: p. 18-19

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1984. 1 microfiche ; 11 x 15 cm