Columbia subject headings:
Harvard subject headings:
Computer users--Germany--History--20th century--Congresses.
Computers and civilization--History--20th century--Congresses.
Computers--Germany--History--20th century--Congresses.
Germany (West)--Social life and customs--Congresses.
Information society--Germany--History--20th century--Congresses.
Information technology--Social aspects--Germany--20th century--Congresses.
Princeton subject headings:
Computer users--Germany--20th century--Congresses.
Computers and civilization--20th century--Congresses.
Computers--Germany--20th century--Congresses.
Germany (West)--Social life and customs--Congresses.
Information society--Germany--20th century--Congresses.
Information technology--Social aspects--Germany--20th century--Congresses.