TY  - BOOK
AU  - Blau,Peter Michael
TI  - Exchange and power in social life
SN  - 0887386288
U1  - 301.15 
PY  - 1964///, c2008
CY  - New Brunswick
PB  - Transaction Publ.
KW  - Estructura social
KW  - Grupos sociales
ER  -