TY  - BOOK
ED  -  United Nations. Economic and Social Council. Statistical Office.
TI  -  Methods used in compiling the United Nations price indexes for exter nal trade
PY  - 1987///-1991
CY  -  New York : 
PB  -  United Nations, 
KW  -  Price indexes
KW  -  International trade
KW  -  Statistical methods
N1  -  "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."
ER  -