TY - JOUR A1 - Kim, T.H. A1 - Lee, S.S. A1 - Kim, D.H. T1 - Fertility differentials by demographic and socioeconomic characteristics: Analysis of Korean population census data Y1 - 2006 JF - The Journal of Population Association of Korea VL - 21 IS - 1 SP - 1 EP - -23 ER -