Tintner, G. and others <br/><br/>
Multivariate exponential model of growth and transactions for international trade   
G. Tintner ...et.al. 
 - n.p.  n.d. 
 - 13p. 
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>382  / T593.ME