Comecon foreign trade data  : 1980 
/ ed. by the Vienna Insstitute for Comparative Economic Studies 
. - London  : The MacMillan Press, 1981
. - 509 p.  ; 20 cm. 
<br/><br/>Index 
<br/><br/><label>ISBN: </label>0333306686 
<br/><br/><label>Source: </label> Achat 
<br/><br/><label>Universal Decimal Class. No.: </label>337.91