Transcription:
LINDGREN, S.
Actron
Se: Stockholms observatoriums annaler. Surt
Sthm Oerr.
19:5. Solar flares observed at the Swedish astrophysical station in Ana-
capri in the year 1955. By Y. Öhman, Kerstin Lodén, L.O. Lodén,...
and Kerstin Fredga. 1956.