Columbia subject headings:
Astrophysics--Congresses.
Collisions (Nuclear physics)--Congresses.
Physics--Congresses.
Quantum field theory--Congresses.
Quantum gravity--Congresses.
Superstring theories--Congresses.
Harvard subject headings:
Astrophysics--Congresses
Nuclear reactions--Congresses.
Quantum field theory--Congresses.
Sakharov, Andreĭ, 1921-
Superstring theories--Congresses
Princeton subject headings: