TY  - RPRT
A1  - Voland, E.
A1  - Beise, J.
T1  - Opposite Effects of Maternal and Paternal Grandmothers on Infant Survival in Historical Krummhörn
Y1  - 2001
PB  - Max Planck Institute for Demographic Research
CY  - Rostock
IS  - MPIDR working paper; WP-2001-026

ER  -