Columbia subject headings:
Computer networks--Congresses.
Computer-assisted instruction--Congresses.
Data transmission systems--Congresses.
Electronic data processing--Distributed processing--Congresses.
Human-machine systems--Congresses.
Telecommunication--Congresses.
Harvard subject headings:
Computer networks--Congresses
Computer-assisted instruction--Congresses
Data transmission systems--Congresses.
Electronic data processing--Distributed processing--Congresses
Human-machine systems--Congresses
Telecommunication--Congresses
Princeton subject headings: