Columbia subject headings:
Hadron spectroscopy--Congresses.
Mesons--Spectra--Congresses.
Harvard subject headings:
Hadron spectroscopy--Congresses.
Meson spectroscopy--Congresses.
Mesons--Spectra--Congresses.
Princeton subject headings:
Hadron spectroscopy--Congresses.
Mesons--Spectra--Congresses.