Economics of informatics  
/Proceedings of the IBI-ICC international symposium mainz, 16-20 September,1974 
 - Amsterdam:   North-Holland Publishing Company,  1975 
 - 469p. 
<br/><br/><label>ISBN: </label>0-7204-2831-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Subjects--Index Terms: </label>Information 
<br/><br/><label>Universal Decimal Class. No.: </label>D 005:681.3(082.2)  / L5