TY  - BOOK
AU  - O'Connor,Robert E.
AU  - Ingersoll,Thomas G.
AU  - Pecorella,Robert F.
TI  - Politics and structure: essentials of American national government 
PY  - 1990///
CY  - Pacific Grove, Calif.
PB  - Brooks/Cole
KW  - United States
KW  - Politics and government
N1  - Includes bibliographies and index
ER  -