Columbia subject headings:
Matter--Constitution--Congresses.
Muons--Congresses.
Nuclear chemistry--Congresses.
Nuclear reactions--Congresses.
Harvard subject headings:
Exotic atoms.
Matter--Constitution--Congresses.
Muons--Congresses.
Nuclear chemistry--Congresses.
Nuclear reactions--Congresses.
Princeton subject headings:
Matter--Constitution--Congresses.
Muons--Congresses.
Nuclear chemistry--Congresses.
Nuclear reactions--Congresses.