TY - JOUR A1 - Aassve, A. A1 - Altankhuyang, G. T1 - Changing patterns of Mongolian fertility at a time of social and economic transition Y1 - 2002 DO - 10.1111/j.1728-4465.2002.00165.x JF - Studies in Family Planning VL - 33 IS - 2 SP - 165 EP - -172 ER -