Datenverarbeitung: B 128.576 11.1 
Volkswirtschaft 

Economics informatics.-Economics of informatics. 
Proceedings of the IBI-ICC International 
Symposium, Mainz, 16.-20. Sept.
1974. Organizedoy Intergovernmental Bureau 
. for Informatics, IBI-ICC, Rome. Ed. by 

A. B. Frielink. [Mit Tab. u. Diagr.JAmsterdam 
[usw.J: North-Holla&d Publishing 
Company [usw.J 1975. 469 S. 8