TY  - BOOK
AU  - Ippolito,Dennis S.
AU  - Walker,Thomas G.
TI  - Political parties, interest groups, and public policy: group influence in American politics 
SN  - 0136843573 :
U1  - 329.02 23
PY  - 1980///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Political parties
KW  - United States
KW  - Pressure groups
N1  - Includes bibliographical references and index
ER  -