TY - JOUR A1 - Beise, J. A1 - Voland, E. T1 - A Multilevel Event History Analysis of the Effects of Grandmothers on Child Mortality in a Historical German Population (Krummhörn, Ostfiesland, 1720-1847) Y1 - 2002 DO - 10.4054/DemRes.2002.7.13 JF - Demographic Research VL - 7 IS - 13 SP - 470 EP - -494 ER -