TY  - BOOK
A1  - by H.L.A. Hart ; with a postscript edited by Penelope A. Bulloch and Joseph Raz,Title
TI  - <The> concept of law
PB  - کتابخانه انتشارات سمت
SN  - 92452711
UR  /book/92452711/The-concept-of-law/
ER  -