TY  - RPRT
A1  - Brass, W.
A1  - Bamgboye, E.
T1  - The time location of reports of survivorship: Estimates for maternal and paternal orphanhood and the ever-widowed
Y1  - 1981
PB  - London School of Hygiene and Tropical Medicine: Centre for Population Studies
IS  - research paper 81-1

ER  -