@book{178845,
	author = {United Nations.},
	title = {Methods used in compiling the United Nations price indexes for basic commodities in international trade :},
	publisher = {United Nations,},
	year = {1979.},
	series = {[Document] - United Nations ; ST/STAT/ser. M/29/rev. 2},
	address = {New York :},
	note = {"United Nations publication. Sales no. E.79.XVII.6."}
}