Handbook of labor economics / edited by Orley Ashenfelter and Richard Layard. - 1st ed. - London : Elsevier, 1986-1999. - 3 v. in 5 (xxii, 3630,83) p. - Handbook in economis ; v. 5 . Vol. 3A-C edited by Orley C. Ashenfelter and David Card. ISBN: 0444822895 (Set) : Subjects--Topical Terms: Labor economics.