TY  - BOOK
AU  - Ainsworth,Scott H.
TI  - Analyzing interest groups: group influence on people and policies 
SN  - 0393977080 (m)
AV  - JK 1118 A297a 2002
PY  - 2002///
CY  - New York
PB  - W. W. Norton
KW  - Pressure groups
KW  - United States
KW  - Grupos de presión
ER  -