TY  - BOOK
AU  - Oppenheim, Felix E.,
TI  - Political concepts: a reconstruction 
SN  - 0631127585
U1  - 320.01 
PY  - 1981///
CY  - Oxford
PB  - Basil Blackwell
KW  - Political science
N1  - Originally published: Chicago : University of Chicago Press, 1981
ER  -