TY  - BOOK
AU  - BURNS,J.H.
AU  - HART,H.L.A.
TI  - A FRAGMENT ON GOVERNMENT / 
U1  - 340.1 
PY  - 1988///
CY  - [S.N] : 
PB  - CAMBRIBGE UNIVERSITY PRESS ، 
KW  - PHILOSOPHY
KW  - LAW
KW  - POLICY SCIENCES
ER  -