TY  - BOOK
AU  - BENTLY Gillian Ed.
AU  -  MACE Ruth Ed.
TI  - Substitute parents :  Biological and social perspectives on alloparenting in human societies   
U1  - Z,123, P9 
PY  - 2009///
CY  - V
PB  - Berghahn X       
N1  - Studies of the biosocial society,  volume 3
ER  -