TY - JOUR A1 - Bühler, C. T1 - Additional work, family agriculture, and the second birth in Russia at the beginning of the 1990s Y1 - 2004 DO - 10.1023/B:POPU.0000034100.51781.d3 JF - Population Research and Policy Review VL - 23 IS - 3 SP - 259 EP - -289 ER -