Datenbanken:Management-Systeme C 127.7928/IW 

Communication decision-makers.-Communication 
for decision-makers. Ed. by Jeanne B.North. 
34th annual meeting, Denver, nov. 7-11,1971.


o

Westport: Greenwood 1971. XII, 400 S. 4 
(Proceedings of the american society for 
information science.8.)