TY  - BOOK
AU  - Robertson A F
TI  - Beyond the family :  The social organization of human reproduction   
SN  - 0 7456 0885 x
U1  - Y:5231, N1/TD 
PY  - 1991///
CY  - London
PB  - Polity          
N1  - Bibliography: P 199-219
ER  -