TY  - BOOK
AU  - Riker,William H.
AU  - Ordeshook,Peter C.
TI  - An introduction to positive political theory
SN  - 0134930649
PY  - 1973///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Political science
KW  - Methodology
KW  - Mathematical models
N1  - Includes bibliographies
ER  -