TY  - JOUR
A1  - Lawson, David W.
A1  - Mace, Ruth
T1  - Trade-offs in modern parenting: a longitudinal study of sibling competition for parental care
Y1  - 2009
DO  - 10.1016/j.evolhumbehav.2008.12.001
JF  - Evolution and Human Behavior
VL  - 30
IS  - 3
SP  - 170
EP  - -183

ER  -