Columbia subject headings:
Cosmic physics--Congresses.
Geophysics--Congresses.
Solar radiation--Congresses.
Harvard subject headings:
Celestial mechanics--Mathematics--Congresses.
Climatic changes--Mathematical models--Congresses.
Solar activity--Congresses.
Solar cycle--Congresses.
Solar oscillations--Congresses.
Solar-terrestrial physics--Congresses.
Princeton subject headings:
Solar system--Congresses.