TY - JOUR A1 - Yi, Z. A1 - Zhenglian, W. A1 - Zhongdong, M. A1 - Chunjun, C. T1 - A simple method for projecting or estimating α and β: An extension of the Brass Relational Gompertz Fertility Model Y1 - 2000 DO - 10.1023/A:1010695000412 JF - Population Research and Policy Review VL - 19 IS - 6 SP - 525 EP - -549 ER -