@book{37054,
	author = {United States.},
	title = {Health and insurance plans under collective bargaining.},
	publisher = {U.S. Govt. Print. Off.]},
	year = {1959-61.},
	series = {Its Bulletin,},
	address = {[Washington,},
	note = {"This series brings up to date the Bureau's earlier Analysis of health and insurance plans under collective bargaining, late 1955 (BLS Bull. 1221, November 1957)"}
}