Columbia subject headings:
Gauge fields (Physics)--Congresses.
Particles (Nuclear physics)--Congresses.
Harvard subject headings:
Astrophysics--Congresses
Cosmology--Congresses.
Grand unified theories (Nuclear physics)--Congresses
Nuclear physics--Congresses
Nuclear reactions--Congresses.
Princeton subject headings:
Particles (Nuclear physics)--Congresses.
Unified field theories--Congresses.