Methods used in compiling the United Nations price indexes for exter nal trade. 

 - New York :    United Nations,    1987-1991. 
 - 2 v. :    ill. ;    28 cm. 
 - Statistical papers.    Series M ;    no. 82 .
<br/><br/>  "Volume I supersedes an earlier publication entitled Methods used in compiling the United Nations price indexes for basic commodities in in ternational trade, published in 1979".   "Volume II, also incorporating quantum indexes." 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Price indexes.<br/> International trade -- Statistical methods.