TY - CHAP A1 - Kowalska, A. T1 - Women in the labour market Y1 - 1999 A3 - Kotowska, I.E. T2 - Demographic Changes in Poland in the 1990s from the Perspective of the Second Demographic Transition. Monografie i Opracowania 461 CY - Warsaw PB - Warsaw School of Economics SP - 35 EP - -81 T3 - in Polish ER -