TY  - BOOK
AU  - Berry,Jeffrey M.
TI  - The interest group society
SN  - 0673525112
AV  - JK1118 .B395 1997
U1  - 322.430973 
PY  - 2009///
CY  - New York
PB  - Longman
KW  - Pressure groups
KW  - United States
N1  - Includes bibliographical references (p. 241-252) and index
ER  -