@book{36989,
	author = {United States.},
	title = {Premium pay for night, weekend, and overtime work in major union contracts.},
	publisher = {U.S. Bureau of Labor Statistics,},
	year = {1959.},
	series = {Its Bulletin,},
	address = {Washington,},
	note = {"From the Monthly labor review of the Bureau of Labor Statistics, February 1958, March 1959, and April 1959 issues, with additional tables."}
}