Columbia subject headings:
Catalysis--Congresses.
Organometallic compounds--Congresses.
Paramagnetism--Congresses.
Harvard subject headings:
Catalysis--Congresses.
Organometallic compounds--Congresses.
Paramagnetism--Congresses.
Princeton subject headings:
Catalysis--Congresses.
Organometallic compounds--Congresses.
Paramagnetism--Congresses.