TY  - BOOK
AU  - Raz, Joseph
TI  - The concept of a legal system: an introduction to the theory of legal system
PY  - 1970///
CY  - Oxford
PB  - Clarendon press
KW  - SISTEMA JUDICIAL
KW  - DERECHO NATURAL
KW  - TEORIA DEL DERECHO
KW  - JURISPRUDENCIA
KW  - LEYES
ER  -