Columbia subject headings:
Astronomy--Abstracts--Periodicals.
Astronomy--Bibliography--Periodicals.
Geophysics--Abstracts--Periodicals.
Geophysics--Bibliography--Periodicals.
Harvard subject headings:
Astronomy--Abstracts--Periodicals.
Astronomy--Bibliography--Periodicals.
Geophysics--Abstracts--Periodicals.
Geophysics--Bibliography--Periodicals.
Princeton subject headings:
Astronomy--Abstracts--Periodicals.
Astronomy--Bibliography--Periodicals.
Geophysics--Abstracts--Periodicals.
Geophysics--Bibliography--Periodicals.