Astronomy and Astrophysics Supplement Series

A survey of flares and current helicity in active regions

S. D. Bao, H. Q. Zhang, G. X. Ai and M. Zhang

Astron. Astrophys. Suppl. Ser., 139 2 (1999) 311-320

Published online: 15 October 1999

DOI: 10.1051/aas:1999396

S. D. Bao

H. Q. Zhang

G. X. Ai

M. Zhang

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