Columbia subject headings:
Doped semiconductors--Congresses.
Integrated circuits--Design and construction--Congresses.
Rare earth metal alloys--Congresses.
Semiconductors--Design and construction--Congresses.
Harvard subject headings:
Princeton subject headings:
Doped semiconductors--Congresses.
Optical wave guides--Congresses.
Optoelectronic devices--Congresses.
Rare earth metal alloys--Congresses.