United Nations Economic and Social Council 

 - Denmark:  Economic Commission for Europe;  1985. 
 -  29 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Gov. Doc. Class. No.: </label>Dir UN/ESC/ECE HBP/50