331.12015195
H449L
           Heckman, James J (Ed.)
               Longitudinal analysis of labor market data \ James J Heckman - Cambridge : Cambridge University Press, 1985.
               xv, 410p.
                ISBN: 0-521-30453-9

118776
                Subjects: Labor supply-Longitudinal studies-Address, essays, lectures; Labor supply-Statistical methods-Addresses, essays, lectures.