TY  - BOOK
AU  - Manheim,Jarol B.
AU  - Rich,Richard C.
TI  - Empirical political analysis: research methods in political science 
SN  - 0801304075
PY  - 1991///
CY  - New York
PB  - Longman Inc.
KW  - Political science
KW  - Research
ER  -