@book{10171,
	author = {Ashenfelter, Orley.},
	title = {Handbook of labor economics /},
	publisher = {Elsevier,},
	year = {1986-1999.},
	series = {Handbook in economis ;},
	address = {London :},
	edition = {1st  ed.},
	note = {Vol. 3A-C edited by Orley C. Ashenfelter and David Card.}
}