TY - RPRT A1 - Chong, M. A1 - Alburez-Gutierrez, D. A1 - Alexander, M.J. A1 - Zagheni, E. T1 - Correcting historical mortality rate bias in big crowd-sourced online genealogies Y1 - 2022 DO - 10.4054/MPIDR-WP-2022-005 PB - Max Planck Institute for Demographic Research Working Paper WP-2022-005 T3 - Max Planck Institute for Demographic Research Working Paper WP-2022-005 ER -