@book{36882,
	author = {United States.},
	title = {Techniques of preparing major BLS statistical series},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1954 [i.e. 1955]},
	series = {Its Bulletin},
	address = {Washington,},
	note = {"Supersedes an earlier edition, published in 1950 as Bulletin 993."}
}