Heckman, James J. Handbook of econometrics / edited by James J Heckman and Edward Leamer. - 1st ed / - Oxford : Elsevier Ltd. , 2001 - xxii, 3160-3843p, I-27 : ISBN: 0-7069-6128-5 Subjects--Topical Terms: Econometrics Dewey Class. No.: X / P1.6B