TY  - BOOK
AU  - Bott Elizabeth
TI  - Family and social network :  Roles, norms, and external relationships in ordinary urban families
U1  - Y12-33.5.N5, J7;L1;1 
PY  - 1957///
CY  - London
PB  - Tavistock publications UK     
KW  - SOCIOLOGY
ER  -