2

Datenverarbeitungsanlagen: C 128.963itJ 
Kosten 

Information-economics.-Information Economies. 
Costs and prices of machine-readable information 
in Europe. Compiled by Gordon Pratt 
and Susan Harvey. /Mit Diagr./ -(London:) 
Aslib; EusIDIC (1976.) V, 115 s. 4° 

(European ~ser-series. 2.)