000 00267nam a22001337a 4500
999 _c12241
_d12241
020 _a9780198729990
082 _a340.1 HAR
100 _aHart, H. L. A.
245 _aThe Concept of Law
250 _a3rd ed.
260 _bOxford
300 _a333 p.
942 _cBK