@BOOK{ Book!D - 92452711,
AUTHOR = "by H.L.A. Hart ; with a postscript edited by Penelope A. Bulloch and Joseph Raz,Title",
TITLE = "<The> concept of law",
LIBRARY= "کتابخانه انتشارات سمت",
SUBJECT = "Jurisprudence- Methodology,Law- Philosophy",
URL = "/book/92452711/The-concept-of-law/"}