TY  - BOOK
AU  - Pitt M M
TI  - The Selectivity Of Fertility And The Determinants Human Capital Investments Parametric And Semiparametric Estimates By Mark M Pitt And Mark R Rosenzweig
SN  - 082131629X (Pbk)
PB  - Washington D.C. : World Bank 1990.
ER  -