The magnetic evolution of AR 6555 which led to two impulsive, relatively compact, X-type flares [microform] / J.M. Fontenla ... [et al.] (NASA-TM ; 111851)
The magnetic evolution of AR 6555 which led to two impulsive, relatively compact, X-type flares [microform] / J.M. Fontenla ... [et al.]
原資料の出版事項: [Washington, D.C. ; Springfield, Va. : National Aeronautics and Space Administration : National Technical Information Service, distributor, 1995]