Datenbanken 

C 143.709/IW 

Database Expert~Systems-Applications.-A M{in) !joa 
and R(oland) ~agner /eds./. ·Database and Expert 
Systems Applications.Proceedings of the Interna-· 
tional Conference in Vienna, Austria, 1990~ (With 
336 Figures).-wien6 New York: Springer-Verl. 
(1990). x, 558 S. 4