An atlas of extreme ultraviolet flashes of solar flares observed via sudden frequency deviations during the ATM-Skylab missions /

Mode of access: Internet.

MAX '91 : flare research at the next solar maximum.

"January 1988"--Cover.

Preliminary comilation of data for retrospective world interval July 26-August 14, 1972,

Mode of access: Internet.

Recherches astronomiques de l'Observatoire d'Utrecht.

Ceased with volume 18:2. Superseded by the Bullletin of the Astronomical Institutes of the Netherlands, Supplement series.