Solar Large-Scale Emitting Chains: Evidences of Reality and Some Features,
by I.M. Chertok
Fig. 2. The GOES-6 soft X-ray plot (a) and modified Nobeyama radio heliograms
(b-e) of May 11-12, 1993 illustrating the transient large-scale chain activity
following the C2.1 LDE event in the regions 1,5.