Columbia subject headings:
Cosmic abundances--Congresses.
Cosmic rays--Congresses.
Heavy nuclei--Congresses.
Harvard subject headings:
Cosmic abundances--Congresses.
Cosmic physics--Congresses.
Cosmic rays--Congresses.
Heavy nuclei--Congresses.
Matter--Congresses.
Princeton subject headings:
Chemical elements--Congresses.
Cosmochemistry--Congresses.
Nuclear astrophysics--Congresses.
Stars--Constitution--Congresses.