TY  - BOOK
AU  - Wirt, Frederick M.
TI  - Introductory problems in political research
SN  - 0135021537
U1  - 320.01 
PY  - 1970///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Political science
KW  - Research
KW  - Methodology
ER  -