@book{9322,
	author = {Ashenfelter, Orley,},
	title = {Handbook of labor economics /},
	publisher = {North-Holland ;},
	year = {1986.},
	series = {Handbooks in economics ;},
	address = {Amsterdam ;},
	edition = {1st ed.},
	note = {Vol. 3A-C edited by Orley Ashenfelter and David Card.}
}