Gupta, Kanhaya Lal <br/><br/>
Aggregations in economics: a theoretical and empirical study 

 - Rotterdam  Rotterdam University Press  1969 
 - ix,92p.  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics, mathematical
<br/><br/><label>LC Class. No.: </label>HB74.M3G83