Maintenance and repair in developing countries :    report of the sy mposium held in Duisburg, Federal Republic of Germany, 10-17 November 1 970. 

 - New York :    United Nations,    1971. 
 - 90 p. ;    24 cm. 
<br/><br/>  "Organized by UNIDO in co-operation with the German Foundation for D eveloping Countries and the German Association of Machinery Manufacture rs." 
<br/><br/>Bibliography : p. 87-90. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Plant maintenance -- Congresses.