Grandparental investment: The influence of reproductive timing and family size
David A. Coall, Marc Meier, Ralph Hertwig, Michaela Wänke, François HöpflingerVolume:
21
Year:
2009
Language:
english
Pages:
9
DOI:
10.1002/ajhb.20894
File:
PDF, 110 KB
english, 2009