TY - CHAP A1 - Preston, S.H. A1 - Palloni, A. T1 - Fine-tuning Brass-type mortality estimates with data on ages of surviving children Y1 - 1978 T2 - Population Bulletin of the United Nations CY - New York PB - United Nations SP - 72 EP - -91 T3 - No. 10-1977 ER -