Columbia subject headings:
Condensed matter--Congresses.
Particles (Nuclear physics)--Congresses.
Quantum field theory--Congresses.
Umezawa, H. (Hiroomi), 1924-
Harvard subject headings:
Condensed matter--Congresses.
Particles (Nuclear physics)--Congresses
Quantum field theory--Congresses.
Umezawa, H. (Hiroomi), 1924-
Princeton subject headings:
Condensed matter--Congresses.
Particles (Nuclear physics)--Congresses.
Quantum field theory--Congresses.
Umezawa, H. (Hiroomi), 1924-1995.