TY  - BOOK
AU  - Joseph Raz
TI  - The concept of a legal system: an introduction to the theory of legal system
SN  - 019825363X(PB)
U1  - 340.1 
PY  - 1980///
PB  - Oxford : Clarendon Press ; New York : Oxford University Press
KW  - Jurisprudence
ER  -