@book{5489,
	author = {United Kingdom. National Board for Prices and Incomes},
	title = {Hours of work, overtime and shiftworking},
	publisher = {Her Majesty's Stationery Office},
	year = {1970},
	address = {London},
	note = {Presented to parliament by the secretary of state for employment by command of Her Majestry, December 1970}
}