Columbia subject headings:
Organic compounds--Magnetic properties--Congresses.
Organic compounds--Optical properties--Congresses.
Organic conductors--Congresses.
Harvard subject headings:
Organic compounds--Magnetic properties--Congresses.
Organic compounds--Optical properties--Congresses
Organic conductors--Congresses.
Princeton subject headings:
Organic compounds--Magnetic properties--Congresses.
Organic compounds--Optical properties--Congresses.
Organic conductors--Congresses.