Columbia subject headings:
Geochemistry--Periodicals.
Geophysics--Periodicals.
Harvard subject headings:
Astrophysics--Periodicals
Earth sciences--Periodicals
Geochemistry--Periodicals
Geodesy--Periodicals.
Geophysics--Periodicals
Princeton subject headings:
Astrophysics--Periodicals.
Earth sciences--Periodicals.
Geochemistry--Periodicals.
Geodesy--Periodicals.
Geophysics--Periodicals.
Periodicals.