TY  - BOOK
AU  - Wright,John R.
AU  - Oppenheimer,Bruce Ian
TI  - Interest groups and congress: lobbying, contributions, and influence 
SN  - 0321121872 (pbk.)
U1  - 324.40973 
PY  - 2003///
CY  - New York
PB  - Longman
KW  - Pressure groups
KW  - United States
N1  - Includes bibliographical references and index
ER  -